OpenTechnical

OT-2026-000089701

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089701) never changes.

Identity and time

Publication numberOT-2026-000089701 · never reused
Internal UUID01a0ae9c-1a22-76b0-afe1-464b5c802e9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089701
StatusPUBLIC

Content hashes

Canonical text6a7d9c5610ac988106673e68269ddf6cd364098e115126d94b8534af241efbe8
Markdown62ef53d271ec4e785eddfad535285ae78b761bfeaf234315e78e7e4cc09c5350
PDF
Publication pageb01d4d1e8d27bfbf06b8bd708efb74a11ccecbfc4e97c4a8af913b39af74612d
Manifest93bcfaa2098651dd9d76500704a9ddf9be4f14942afa9b1fa7c9f8d101445e40

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
SignaturelJIvpALAIxk7ZeeHf5ULth/z+zVWRo8jJY5KGcj1958+OAbfRyD/OX2H//Uug7y4lWPZ4n9WoZQEbLF7UbU1Bw==
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

2026-09-17T09:46:42.111409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089701
observed b01d4d1e8d27bfbf06b8bd708efb74a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.092818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089701/manifest.json
observed 93bcfaa2098651dd9d76500704a9ddf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.075838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089701/publication.md
observed 62ef53d271ec4e785eddfad535285ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.058707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089701/publication.txt
observed 6a7d9c5610ac988106673e68269ddf6c...
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.