OpenTechnical

OT-2026-000075056

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075056) never changes.

Identity and time

Publication numberOT-2026-000075056 · never reused
Internal UUID01a0ae93-ac2e-704e-bb24-6ff4b8584bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075056
StatusPUBLIC

Content hashes

Canonical text7ff49b9a73d10e867c0063b221f94802f09f836199370502ec096bd3a9e6541e
Markdownb7d7a9f563ca21c7995950c597f86b661ea9a1c677a0ae893309cc4ffc7f8660
PDF
Publication page4dc1a51f9f35b2eeeabd58ef2e14fdd11a3b72a3d541966857bd312b797871c2
Manifest6198ec3dbd31765eea40c622eb2c112ebb95f116f8c59801c7db66c810d04d0a

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
SignatureTTq1aJ8rAediaXFGyLp79wgylthyB3aRuaTTmC3OJFqFTK5QUD4EV+QP1Q1euSBxlRlz+IagCny1jIp1Xhn1Bg==
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

2026-09-17T10:18:52.405504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075056
observed 4dc1a51f9f35b2eeeabd58ef2e14fdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.388159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075056/manifest.json
observed 6198ec3dbd31765eea40c622eb2c112e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.371604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075056/publication.md
observed b7d7a9f563ca21c7995950c597f86b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.355691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075056/publication.txt
observed 7ff49b9a73d10e867c0063b221f94802...
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.