OpenTechnical

OT-2026-000085756

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000085756) never changes.

Identity and time

Publication numberOT-2026-000085756 · never reused
Internal UUID01a0ae99-e828-71db-83b9-46353cd2dba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085756
StatusPUBLIC

Content hashes

Canonical text3643717ec133f3df6acb2e9891b56f81f79077df305f2c962eb2f5418c5dad35
Markdown8243e6959ac87b85e5856d4b5991a1f8dd3d876b0e821d10ed4f2b7e2c5d99d1
PDF
Publication page6c290ffcb9cee9e6e29d92c2d7267b1177681d52e893b2e5568f30326ccd4d69
Manifestdb6b7e217ec487fdbb62f4758db1e31807ffd6f23a92128f1cf3e741411a0310

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
SignatureDhRcF7aTIhuqeynuXKt76QiqODOm5DjinurDUZjMjuNT1/Ia3gv+zY7YOxqDzQpn50AzgibWwmBeCGfmP2I9Ag==
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

2026-09-17T09:52:38.673902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085756
observed 6c290ffcb9cee9e6e29d92c2d7267b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.656456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085756/manifest.json
observed db6b7e217ec487fdbb62f4758db1e318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.552995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085756/publication.md
observed 8243e6959ac87b85e5856d4b5991a1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.369933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085756/publication.txt
observed 3643717ec133f3df6acb2e9891b56f81...
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.