OpenTechnical

OT-2026-000008528

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off after set-down

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-2026-000008528) never changes.

Identity and time

Publication numberOT-2026-000008528 · never reused
Internal UUID01a0ae6a-e46a-7dd3-a10f-c6c9f9fbf506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008528
StatusPUBLIC

Content hashes

Canonical text271a1e431e11b3bd3247f738c4b6f52dc5f3e05857a60cf1223ca76e3f023daf
Markdown7b18d2bb5ef1f489270afac11f17efc64cbadda9b8b1170bb2de4b248cf031f1
PDF
Publication pagee311b478a7c01b815d0c8b59f34cbf9e53107597ddcacdc3ed047e44fdcc2a91
Manifestd937a740e8c54aa7d6639d0366ad8f7b5ba553b4e799986034386585241da231

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
SignatureypRnLQ1uxP0KNwgE3cVfQgfRBciPUUwkNxSJgkvYWFKJXVQjYQnf6SaVse5wERjCyCkiQ5WBHLxoLuzxWOb1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:26.784282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008528
observed e311b478a7c01b815d0c8b59f34cbf9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.765946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008528/manifest.json
observed d937a740e8c54aa7d6639d0366ad8f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.742992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008528/publication.md
observed 7b18d2bb5ef1f489270afac11f17efc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.705607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008528/publication.txt
observed 271a1e431e11b3bd3247f738c4b6f52d...
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.