OpenTechnical

OT-2026-000080734

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000080734) never changes.

Identity and time

Publication numberOT-2026-000080734 · never reused
Internal UUID01a0ae96-b973-75d2-beec-0e6b11c85215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080734
StatusPUBLIC

Content hashes

Canonical text1496cbdbac0057beecc3eb299dd4a418dbfddbe5ea0081b4414bc8638839032b
Markdown3ce5c39fce06f71f1d654cd335adcb4b7fd3f8307fcdd11bd4ad6ccf25ccba59
PDF
Publication page5768327363ed2954995f06a50289a299278f09083e0a896e4ce4e1cabc576242
Manifest7b979091cf109985674b682335da86808615a4679593a2e56611bb6013944451

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
SignatureA/mX4U8vfY4XrHHNHY8PlGRdvIdUt4YkynYkpHMEIsMmeYMoG6PFXZPFtPhpLvu8dIFfTgHE5KL+SxV+isYdDg==
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

2026-09-17T10:01:46.591528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080734
observed 5768327363ed2954995f06a50289a299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.570535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080734/manifest.json
observed 7b979091cf109985674b682335da8680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.549584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080734/publication.md
observed 3ce5c39fce06f71f1d654cd335adcb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.525033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080734/publication.txt
observed 1496cbdbac0057beecc3eb299dd4a418...
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.