OpenTechnical

OT-2026-000069301

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069301) never changes.

Identity and time

Publication numberOT-2026-000069301 · never reused
Internal UUID01a0ae90-b528-7f16-ba22-45e625f1076c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069301
StatusPUBLIC

Content hashes

Canonical text6dd6e98dba68cc5b7978f4c012d658b99b6e27ad3296b12d9788f06f8a0f9de6
Markdown8a3225112fa4d2b9329890281b14c613da9c8b1a2ceb4ccd25fb3ce4ba71ab5e
PDF
Publication page4b194370c17563b191d729bc9ee51ce89d2b96eab1949871f9975151183c4448
Manifest57e2fb0cd2c2dc57afee2429f5d5a47a3dbaad0458dbf30114c83321c04804ce

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
SignatureUPvYCmXXwycQ5MQoJqWSvz/oAEliTzatC1RgoMZtFeFT/3LDZlFqiQbJEugbQmRS4Ht2rUnE+EW0KvwYxf9rCQ==
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

2026-09-17T10:30:03.619533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301
observed 4b194370c17563b191d729bc9ee51ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.600260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/manifest.json
observed 57e2fb0cd2c2dc57afee2429f5d5a47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.581090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/publication.md
observed 8a3225112fa4d2b9329890281b14c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.563262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/publication.txt
observed 6dd6e98dba68cc5b7978f4c012d658b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.310869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301
observed 4b194370c17563b191d729bc9ee51ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.293601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/manifest.json
observed 57e2fb0cd2c2dc57afee2429f5d5a47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.275680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/publication.md
observed 8a3225112fa4d2b9329890281b14c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.257550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069301/publication.txt
observed 6dd6e98dba68cc5b7978f4c012d658b9...
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.