OpenTechnical

OT-2026-000082877

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000082877) never changes.

Identity and time

Publication numberOT-2026-000082877 · never reused
Internal UUID01a0ae97-8cca-7f49-90aa-6c9b7f19b6d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082877
StatusPUBLIC

Content hashes

Canonical text40c441c2a80b9862efef4227ac5537162208ad1311f634ef1355ab36019e4011
Markdown15456d255eeda74d3a0d352a8acf25134eeb6845473fcf4543a78758a3844655
PDF
Publication page11015e7b73468bf5d7135b6565f3056b55b3d2143ba5e1d712c6264d30856c42
Manifest3e77605990a5156f57370e82f80babea75401870d9d6ee983a24428a0c60e063

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
Signature9/AV7do6XXmpImrheAQNsrW9gbbp/SxE+6bctYlAV/JoEBKonli4GkhBZ7o1nF05K49ukE7ZVwOKMfjl//YuBA==
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

2026-09-17T09:58:33.603406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082877
observed 11015e7b73468bf5d7135b6565f3056b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.587057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082877/manifest.json
observed 3e77605990a5156f57370e82f80babea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.569852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082877/publication.md
observed 15456d255eeda74d3a0d352a8acf2513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.550541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082877/publication.txt
observed 40c441c2a80b9862efef4227ac553716...
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.