OpenTechnical

OT-2026-000088804

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line 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-2026-000088804) never changes.

Identity and time

Publication numberOT-2026-000088804 · never reused
Internal UUID01a0ae9b-8f10-7408-a4cd-772e0ee4e705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088804
StatusPUBLIC

Content hashes

Canonical textb2c2911cdb94016b607f571dfa4f67c6f910fc72d7f62093561bfeca1aff897b
Markdown4b50cfe18585e9af4f605efab0bdf6ff241ed1c31785973a0adab58f2bbcf16c
PDF
Publication pageb0a840395eaa4f9baf8f86f368cd2abe3ae0e4333295d0c704ec0deed6bb4893
Manifest5875910b9f0f84e3ec935e8e67aeb16ce91c89531fe1bdf6270685841da0a4fa

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
SignatureNN1+wGqPu9nWkSFbRlaALPzlM1I1nyfPxVFVp+wPh6lFJRfGsjFUZ5KDWQ0DdhRNBRrJKn4YZVqg0Z6kk3KBAA==
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

2026-09-17T09:48:11.173581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088804
observed b0a840395eaa4f9baf8f86f368cd2abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:11.156835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088804/manifest.json
observed 5875910b9f0f84e3ec935e8e67aeb16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:11.137812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088804/publication.md
observed 4b50cfe18585e9af4f605efab0bdf6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:11.120442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088804/publication.txt
observed b2c2911cdb94016b607f571dfa4f67c6...
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.