OpenTechnical

OT-2026-000009894

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000009894) never changes.

Identity and time

Publication numberOT-2026-000009894 · never reused
Internal UUID01a0ae6b-cb78-7bed-9731-43809c92853a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009894
StatusPUBLIC

Content hashes

Canonical text4646c699a5cb034303ad45bc6bcfde4c48a812c7f188ca60d82b8eb9ce5755aa
Markdown486128fb0876b439b7452d2120d5b66dd387972621bd4424c7360538f87d5a00
PDF
Publication page54fcf92b4e1465b643a337a4d64a0b74b38e30f9c052ad3615dc71886671a4b0
Manifest9bd5abb5d371d5a360213c37de502a6efca9499b57593ee3d621cfb815c9602c

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
Signature9KaEnxnBz2y3tsppuqIipd9XbmVkxZD59nHReW/4y754YySlzuCIHpu9y1APp/LQytoCLlVbQzZUcwMR+Hh5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:54.346640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009894
observed 54fcf92b4e1465b643a337a4d64a0b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.327123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009894/manifest.json
observed 9bd5abb5d371d5a360213c37de502a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.307125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009894/publication.md
observed 486128fb0876b439b7452d2120d5b66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.287124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009894/publication.txt
observed 4646c699a5cb034303ad45bc6bcfde4c...
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.