OpenTechnical

OT-2026-000052179

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052179) never changes.

Identity and time

Publication numberOT-2026-000052179 · never reused
Internal UUID01a0ae83-e790-7aba-8d97-b9c519f0d03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052179
StatusPUBLIC

Content hashes

Canonical textc3f18442a8992bfaf3f1d9e18fd74b07f1e848d4deaf1ae908dc1102952fdaab
Markdown14be313f9662f00d56d589c131741cb95216253beb381ed844dc123d9a627af2
PDF
Publication pageace2779de1b48cb5201dc4f449dfa1d53a2d67f413b8cf109c606af31024cb60
Manifest6527ac10dec59d8982626fa97b799ac0036f75cc060a55ecee2449e13d66331d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturethHGhjkfHlkHoQ3/saJwIINH8HbKW8eJ3tjjkHvzDWYUm6yC/vMEaaxB/JRACzjkKxBmeM4ZJGmsdXS8zj6MDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:41:06.412665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179
observed ace2779de1b48cb5201dc4f449dfa1d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:06.181133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/manifest.json
observed 6527ac10dec59d8982626fa97b799ac0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:05.741755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/publication.md
observed 14be313f9662f00d56d589c131741cb9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:05.433076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/publication.txt
observed c3f18442a8992bfaf3f1d9e18fd74b07...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.424408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179
observed ace2779de1b48cb5201dc4f449dfa1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.406999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/manifest.json
observed 6527ac10dec59d8982626fa97b799ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.389500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/publication.md
observed 14be313f9662f00d56d589c131741cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.372603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052179/publication.txt
observed c3f18442a8992bfaf3f1d9e18fd74b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.