OpenTechnical

OT-2026-000087052

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained 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-2026-000087052) never changes.

Identity and time

Publication numberOT-2026-000087052 · never reused
Internal UUID01a0ae9a-9f2d-74d2-a7fc-78d3fab3947c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087052
StatusPUBLIC

Content hashes

Canonical text31eac147b9d33bce8b57aa83aa0880273b182ed238cfe69992f54363e8b30da4
Markdownf150b0afab36a10d8d844047140008297250ebb0f5c88e31c8d489ed0f03b3a1
PDF
Publication pagecc56b24df05165999deae902452043093a394efa270d5858685dbc434e2fb3e3
Manifestc2c64613a4df61afe806d9b8b42b53a4e4e7439b5ff8da3743098db955f987e2

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
Signature0h7ub814gzqY5239H0xKQ23L582ItI+7uly6dj+nmoigMaH8pRfBnxQhx2ctogqcPIn9elVHA4yJBHmuxCvRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:17.938513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087052
observed cc56b24df05165999deae90245204309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.922436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087052/manifest.json
observed c2c64613a4df61afe806d9b8b42b53a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.905474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087052/publication.md
observed f150b0afab36a10d8d84404714000829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.869543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087052/publication.txt
observed 31eac147b9d33bce8b57aa83aa088027...
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.