OpenTechnical

OT-2026-000075259

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000075259) never changes.

Identity and time

Publication numberOT-2026-000075259 · never reused
Internal UUID01a0ae93-f200-795c-8ac0-b253f3a601d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075259
StatusPUBLIC

Content hashes

Canonical text9d76abf8cfafc9e8da300dcae588e4a6f8df8a5a49c225cc446751834b1710db
Markdown055101dc711960e2e1245c2c200744b194497b5d5c79fb73d1b3955851e15d81
PDF
Publication pagebcc1546a639137d4d0c7acb1564775c11ff89259dacadd241f4aba33ab0ba250
Manifest9fbb2e2cefd36b9ab60dc9852089e2defcebbbadf8b1eb6ab415cfc9631df00e

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
SignatureyE/TDO3HXH++WSj7v8hHGiYZla6Ei5WvkWjcjsh0DZHaLoivlOtYADtwmu0Wo6rP4Hg75+FO2V2/hJnfij7vDA==
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

2026-09-17T10:20:33.619920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259
observed bcc1546a639137d4d0c7acb1564775c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.390668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/manifest.json
observed 9fbb2e2cefd36b9ab60dc9852089e2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.371740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/publication.md
observed 055101dc711960e2e1245c2c200744b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.354368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/publication.txt
observed 9d76abf8cfafc9e8da300dcae588e4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.781996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259
observed bcc1546a639137d4d0c7acb1564775c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.764868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/manifest.json
observed 9fbb2e2cefd36b9ab60dc9852089e2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.746629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/publication.md
observed 055101dc711960e2e1245c2c200744b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.726987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075259/publication.txt
observed 9d76abf8cfafc9e8da300dcae588e4a6...
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.