OpenTechnical

OT-2026-000089678

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000089678) never changes.

Identity and time

Publication numberOT-2026-000089678 · never reused
Internal UUID01a0ae9c-1a22-7667-97b1-361bb0166e35 · 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-2026-000089678
StatusPUBLIC

Content hashes

Canonical text514c6349ce1d2f3a2f6ac20661b67cd2bcfde772b8a97bd89c5c1c6f374d99c6
Markdown36f153a58bb8fa6543f9e1bff09d6d4c8a265af79fb21d79fa792dc7fc1b5467
PDF
Publication pagec821fee1bbb5951b4404afa24e4e436642c46446063d1311a3a33377d93e35e0
Manifestcc3f6ce0d0fa9c789164189c74fa23fc331f85b01f9c15e50a6553f6f671415c

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
SignaturegJAAjmcHygdifRie3b7PDO3kiFNMyVgOGTX08rAxZ/kBKLIh4rRLNNfJJJ5fq0Jhj0Denwv+UbwQ4fdN19bVAg==
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

2026-09-17T09:46:40.531948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089678
observed c821fee1bbb5951b4404afa24e4e4366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.512908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089678/manifest.json
observed cc3f6ce0d0fa9c789164189c74fa23fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.493945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089678/publication.md
observed 36f153a58bb8fa6543f9e1bff09d6d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.474479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089678/publication.txt
observed 514c6349ce1d2f3a2f6ac20661b67cd2...
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.