OpenTechnical

OT-2026-000103883

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103883) never changes.

Identity and time

Publication numberOT-2026-000103883 · never reused
Internal UUID01a0aea5-15e7-79da-8496-1bab85a8f010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103883
StatusPUBLIC

Content hashes

Canonical text66c701b6264243dfeac03c19f75d23b888428d52d33f6e9171a02c245d739546
Markdownc601c2c9a6c45e228b4f2696ab73f34393206d1044aeaef71fbb90c6ded8ebb6
PDF
Publication pagef1e2b2e8558103cee2b3f431c1034bb350f16a7678f7c222d8b8501ab1c321b2
Manifest9db29310c00b1d492c6349d038517fe4c511981d766feb5eee60630b419d838b

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
SignatureYlofU2fRD1ROaeDS0O5uc4806bBR1+vN+N2Lg52LZDhbK012SNrYxK3SAojzDa1cjBsImevNp4I5vWbcrq6NCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:52.201493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103883
observed f1e2b2e8558103cee2b3f431c1034bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.183363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103883/manifest.json
observed 9db29310c00b1d492c6349d038517fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.166280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103883/publication.md
observed c601c2c9a6c45e228b4f2696ab73f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.148066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103883/publication.txt
observed 66c701b6264243dfeac03c19f75d23b8...
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.