OpenTechnical

OT-2026-000081045

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained 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-2026-000081045) never changes.

Identity and time

Publication numberOT-2026-000081045 · never reused
Internal UUID01a0ae96-b976-7c75-94fb-00e0b0c5ba52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081045
StatusPUBLIC

Content hashes

Canonical text3c1e297813b621d69f71a36a451ef597e8416884a0e86ad00cb8ef6e0719a8f7
Markdowna83979193db2450794421662f361d6135ac958554d449fb7fcdfabcc6f71dbd7
PDF
Publication page62b0e0cb9d619d22b30350054d2862b7ec5177b46ae9f495184a35bd4b4c388c
Manifest3f33afe4ff72e382e22536466a79e6070ef630ee89ed0cc0212a0198d5906fdd

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
SignatureArtsJ+/5fCUjG0Z6MeB0RoRLbVLqf4MFXamiE7s+MUsfnvzMsSSccDDgq8dA6w2C28Z0W+fpjrDoV3gZNVlKAQ==
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

2026-09-17T10:02:20.268930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081045
observed 62b0e0cb9d619d22b30350054d2862b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.253168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081045/manifest.json
observed 3f33afe4ff72e382e22536466a79e607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.235208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081045/publication.md
observed a83979193db2450794421662f361d613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.219254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081045/publication.txt
observed 3c1e297813b621d69f71a36a451ef597...
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.