OpenTechnical

OT-2026-000080636

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000080636) never changes.

Identity and time

Publication numberOT-2026-000080636 · never reused
Internal UUID01a0ae96-7e79-7c53-a6bb-983929a84f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080636
StatusPUBLIC

Content hashes

Canonical textbce9b73d0292698f2c513b2a422580678eb48547210244b05b0aa07d0172e681
Markdown39b1d16b62428065f998429635df1d4f5b4bf4f427a32790b285e485e5528dc8
PDF
Publication page2571756df3ecf28e6063f2f1528a6a33e2ca63a7bd23d9d6ca4268c8b7b6b81b
Manifestfc456236703b6f1dcbd5d5c4d0a0dcd4996f350538b9a79456d161db8c046927

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
SignaturegpwTB/ztvp17Sk/wqpfUdWSMDUTmpn16I10yQh5+VM1sqHkQMxGQYXMPf542yKAQwu/hJxb3ytWG3wUwmh36Bg==
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

2026-09-17T10:03:17.715612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080636
observed 2571756df3ecf28e6063f2f1528a6a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.690847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080636/manifest.json
observed fc456236703b6f1dcbd5d5c4d0a0dcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.662893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080636/publication.md
observed 39b1d16b62428065f998429635df1d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.633387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080636/publication.txt
observed bce9b73d0292698f2c513b2a42258067...
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.