OpenTechnical

OT-2026-000047251

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047251) never changes.

Identity and time

Publication numberOT-2026-000047251 · never reused
Internal UUID01a0ae7f-3e56-7fe6-b1c3-dce8a443818a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047251
StatusPUBLIC

Content hashes

Canonical text3340cc809448e3ac46800e386f1513896fa031653a8c102865e108a32c5adc96
Markdownc4c2f7cc2a6b55b0b6131c5d51c91d9dc726c1f8b2af583f95a7716ae7e10426
PDF
Publication page8d3ef33780e13d076b9c7a191712ff9522fba4786975dabbf1bac129e5a2f3c1
Manifestbb3280c231faaf0e5dbb1887f04febe3ad60e1f4fc76f39e7d55c3acdcc1f573

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
SignatureRSr9uyvZ1T/GecoZcskQ6KVa6xkjOG+XDwpL2n1xIL8ZzmxQUzLQAT51RLhMv1ae8x0f8n+q+R7nLyYpyqOLDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:06:12.670734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047251
observed 8d3ef33780e13d076b9c7a191712ff95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.653870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047251/manifest.json
observed bb3280c231faaf0e5dbb1887f04febe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.635704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047251/publication.md
observed c4c2f7cc2a6b55b0b6131c5d51c91d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.617945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047251/publication.txt
observed 3340cc809448e3ac46800e386f151389...
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.