OpenTechnical

OT-2026-000068752

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000068752) never changes.

Identity and time

Publication numberOT-2026-000068752 · never reused
Internal UUID01a0ae90-6dcb-7fd3-84df-b5a0090f5583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068752
StatusPUBLIC

Content hashes

Canonical text668dd13988a1fb50d9c836ae589cc7e29a350704c1414cfe77a7983eb8252e4d
Markdown1e68db99c783e0e02f99f9e93aab7e480a1aab39b00497768631f08b321b1736
PDF
Publication pageca4253adb26bdb1669d40e2cf83c86447710109b4c4bbb0184bb9a53dbf606e8
Manifestc5e59861065a8acb2cfb920f8a36d486f03c8b46da11c5c927a2d73f98e4e7f3

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
SignaturepF20dEHKFNJ32ZyZEhiFe7NqopAKi03l8Gr0g6W3hI2kvxOn9t/3RjmqBeIY67LaU/b3LWKnDcGy7UsvPB5FCg==
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

2026-09-17T10:28:32.004805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068752
observed ca4253adb26bdb1669d40e2cf83c8644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.986166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068752/manifest.json
observed c5e59861065a8acb2cfb920f8a36d486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.968507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068752/publication.md
observed 1e68db99c783e0e02f99f9e93aab7e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.949332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068752/publication.txt
observed 668dd13988a1fb50d9c836ae589cc7e2...
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.