OpenTechnical

OT-2026-000095578

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095578) never changes.

Identity and time

Publication numberOT-2026-000095578 · never reused
Internal UUID01a0ae9f-8f75-72b7-89f7-ab144f7ad18a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095578
StatusPUBLIC

Content hashes

Canonical text1b1eefa99bfe411edaf2a07cdf454af82d9982286b893ed7ef8dafe7e35fb71e
Markdownd277e5b524d9918671eb859f9f1ba5b8cfd52b4baccf581dced69f991504cf3c
PDF
Publication page3b70337f9cc2875b730b2edf8fcbf4047bf8dc3f45ffded01ee778a9b7102a2d
Manifestd2888071857b95683a58f5bc201f5a9f7c97a0964449bc632f5cfe6aa879f883

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
Signature/0Lc5+/Y6NJFRvDgS7dYf2UScYDpVYsYoOkeLfZWHovwM+Xd2ZcrCKIlQ6nfzZmRsV8OEtpgzP4bl8VYsYhZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:59.813509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095578
observed 3b70337f9cc2875b730b2edf8fcbf404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.796462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095578/manifest.json
observed d2888071857b95683a58f5bc201f5a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.780473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095578/publication.md
observed d277e5b524d9918671eb859f9f1ba5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.762845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095578/publication.txt
observed 1b1eefa99bfe411edaf2a07cdf454af8...
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.