OpenTechnical

OT-2026-000080468

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000080468) never changes.

Identity and time

Publication numberOT-2026-000080468 · never reused
Internal UUID01a0ae96-7e78-761a-a142-cd9772ba21e2 · 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-2026-000080468
StatusPUBLIC

Content hashes

Canonical textf30fa6985a58dbaac3828edc3b1f0b91551bdf4e50d366ffc0cb8358af61f71e
Markdownb68875311c169ebada9e4a36180a34e2095482b576b66ab6f148585d36dea4d0
PDF
Publication pagedd60c5837beda4e7acdd0212d2e48c70bfd0da331bb8244c7b772f8ad87c0563
Manifestc5d4259176a12ca9eb3be4c73affb5c9344396363448bf75b96683a6626f266f

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
SignatureusvUfmP/QibqF6KHsWzmkLikwsx9DJQ6yBufkB7mJ+mTGNTa1h1oUebD3NXV8shRns1pA9QlKcLk6YhanRjzAg==
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

2026-09-17T10:02:59.328514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080468
observed dd60c5837beda4e7acdd0212d2e48c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.307603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080468/manifest.json
observed c5d4259176a12ca9eb3be4c73affb5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.287625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080468/publication.md
observed b68875311c169ebada9e4a36180a34e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.268168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080468/publication.txt
observed f30fa6985a58dbaac3828edc3b1f0b91...
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.