OpenTechnical

OT-2026-000085818

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000085818) never changes.

Identity and time

Publication numberOT-2026-000085818 · never reused
Internal UUID01a0ae99-e829-7fdd-bdd9-0fe167f740c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085818
StatusPUBLIC

Content hashes

Canonical text57eb787a4b44d2af8e7231769660667eedbbff913210bf33e987b5f84a9979fc
Markdown331c31971728119cc4aa971b9383ebbe71530ce4f9c9423364d89bd0423ba5e7
PDF
Publication pagefbbcaddf3c71df8540d67b84e2667d27ce181f8431fbcc39b0acb1da63bdb0ba
Manifestb2256a214cf3a52d5eff27bcaa89b14a39cb051363a5a383ee43d00f5109e66e

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
SignaturerQ8ykCHts59LiRB3gBeSbyvLum59IPDlManLx1GzYxmlY1D5PiMASMaIOzmpoaaJr1vuHHGwvQBQssf4dJuIAg==
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

2026-09-17T09:52:44.335000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085818
observed fbbcaddf3c71df8540d67b84e2667d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.318966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085818/manifest.json
observed b2256a214cf3a52d5eff27bcaa89b14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.301336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085818/publication.md
observed 331c31971728119cc4aa971b9383ebbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.284005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085818/publication.txt
observed 57eb787a4b44d2af8e7231769660667e...
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.