OpenTechnical

OT-2026-000089791

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089791) never changes.

Identity and time

Publication numberOT-2026-000089791 · never reused
Internal UUID01a0ae9c-1a23-7df9-9955-490bb8c725ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089791
StatusPUBLIC

Content hashes

Canonical textd0c30e2513ff6b20a8c43bd3615c2ea54116235ad164e54999dbc802bad30e45
Markdowneae1a9deff88d18ce6bfb781f13b23a753a3a9fb0c8ffd7c6fbb99363e430c67
PDF
Publication page818fafd925f2c0633dede080da74d5881acd52dbd8de3ce96b2004389a6deb8a
Manifestb8a453a1f272fd7961073739979afc32b6db033777fa2b263aa0a194fd204895

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
SignaturerFHVWLgoV7NYbcUmdEindILXIDElTu4m19hCp+fAyXtlc+7Cig6Idxc8Ys6u6IxG1f6BYtvrzlrELqRbDihxAA==
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

2026-09-17T09:46:52.905168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089791
observed 818fafd925f2c0633dede080da74d588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.887755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089791/manifest.json
observed b8a453a1f272fd7961073739979afc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.870335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089791/publication.md
observed eae1a9deff88d18ce6bfb781f13b23a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.853604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089791/publication.txt
observed d0c30e2513ff6b20a8c43bd3615c2ea5...
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.