OpenTechnical

OT-2026-000081051

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-2026-000081051) never changes.

Identity and time

Publication numberOT-2026-000081051 · never reused
Internal UUID01a0ae96-b976-7222-b157-8015b1fc316d · 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-2026-000081051
StatusPUBLIC

Content hashes

Canonical text19d5f16a69c900dbe8051ad0581403633fc5ad812683cb8df27ce2f56e86e071
Markdown11a4eda03cf0302c6759334591d3db6bd72257aa14b58a4f5067366835850214
PDF
Publication pageb5e92088350085a6e83ac0ef069b8372ce31bf14d5a0b3853a0fe82d7e9a64b7
Manifestc2358865b446332940570a4e85686ba575f27eb8fdaa0efa35101b61777e2c48

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
SignatureTsLr5tRO3MZ4m0rOyreUn0j30czhwTtuFFj1WEq5orE1uZ+29+l1et8QTMCDNBvh0fvaRxVdNTQJvKDoGh5zCw==
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

2026-09-17T10:02:20.714006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081051
observed b5e92088350085a6e83ac0ef069b8372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.695958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081051/manifest.json
observed c2358865b446332940570a4e85686ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.678412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081051/publication.md
observed 11a4eda03cf0302c6759334591d3db6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.660970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081051/publication.txt
observed 19d5f16a69c900dbe8051ad058140363...
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.