OpenTechnical

OT-2026-000085374

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000085374) never changes.

Identity and time

Publication numberOT-2026-000085374 · never reused
Internal UUID01a0ae99-aaaa-7617-8acb-99ed3c800ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085374
StatusPUBLIC

Content hashes

Canonical text86b52b241fab859d17de533342b92204416310f8b7f06ba5d147acd0459a3a72
Markdown3cbab5f27b365bb219e2bca4fe9bdfd9a0ea00e77294851a66c51a24d5a7389e
PDF
Publication page7b041fa583f6030b593f249d7a27e2d9b88850ad62dbf53679627a4faf8e6c6f
Manifestee005a38183b694072a86fdbac48c8630880a433a9c8e427d53b3a9fa3c6ca8d

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
SignaturehgTzOrZhTSbr05bDNQLaSSByD8RZXDrAJyfBDAL+5qwQAX1YGBK/VEmB+b7oxlgf+5/CrlhIzyKowdPVxZgZCw==
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

2026-09-17T09:54:07.951948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085374
observed 7b041fa583f6030b593f249d7a27e2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:07.932410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085374/manifest.json
observed ee005a38183b694072a86fdbac48c863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:07.914022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085374/publication.md
observed 3cbab5f27b365bb219e2bca4fe9bdfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:07.889117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085374/publication.txt
observed 86b52b241fab859d17de533342b92204...
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.