OpenTechnical

OT-2026-000078614

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000078614) never changes.

Identity and time

Publication numberOT-2026-000078614 · never reused
Internal UUID01a0ae95-7c2a-7f00-b4be-f6d8257cf258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078614
StatusPUBLIC

Content hashes

Canonical textc52d9b47258477f77b3217b8c1129670126d2bd0cb74eaec2e5576db11789a6a
Markdown0e5929784031c2afd1fbdffd2806dda81b32dae14841e14e5a601b6f89f8fc8b
PDF
Publication page06654bb88ecfdf222dfe68d9cda1ba53110bdea6ef84abd8b948a353c7e9bca1
Manifest57cd6575942e30960cbfc95befa39a26acc8caa695cb97efb38e944ab0438c62

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
Signature/j2pJK14l60cnDwh6BSSYVpJ4tJNDzwMAnoMzxpyr1DemskR7akcZ1KfxltLyKQCsjfo1JJuWFGaCLbvlLqHDQ==
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

2026-09-17T10:06:39.027711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078614
observed 06654bb88ecfdf222dfe68d9cda1ba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.009681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078614/manifest.json
observed 57cd6575942e30960cbfc95befa39a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.991999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078614/publication.md
observed 0e5929784031c2afd1fbdffd2806dda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.973816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078614/publication.txt
observed c52d9b47258477f77b3217b8c1129670...
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.