OpenTechnical

OT-2026-000099893

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000099893) never changes.

Identity and time

Publication numberOT-2026-000099893 · never reused
Internal UUID01a0aea3-1473-792c-a6ec-96d4b6fa517b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099893
StatusPUBLIC

Content hashes

Canonical text7ded76039bbebdbbd4df4f2458aa7fc39b87293c5a609e7d3a9417d6f3894de6
Markdownc09a67d14401a084cc0f401354c6d981166617e4d4bbaa3c77eab0c25eddb1cb
PDF
Publication page2d311d7521cc39fc3ecf7da480631bb98dc5c325fd22a6884ef7b4cff9138aec
Manifesteb3b4d8af2b6207d3f3e60880369f7765c0bf957652f0610a42264ca7b6f6b90

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
Signature84AWFqhZ3nx5haGLpKS6jTj+bNesENNOhTfFgyOjvCRcYJb1AOqg9bvvvSI3OxMLxNC1/ub+/QxuPAmNuPvCAw==
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

2026-09-17T09:30:31.582571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893
observed 2d311d7521cc39fc3ecf7da480631bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.565454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/manifest.json
observed eb3b4d8af2b6207d3f3e60880369f776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.547013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/publication.md
observed c09a67d14401a084cc0f401354c6d981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.529333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/publication.txt
observed 7ded76039bbebdbbd4df4f2458aa7fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.270004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893
observed 2d311d7521cc39fc3ecf7da480631bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.251843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/manifest.json
observed eb3b4d8af2b6207d3f3e60880369f776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.234463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/publication.md
observed c09a67d14401a084cc0f401354c6d981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.214634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099893/publication.txt
observed 7ded76039bbebdbbd4df4f2458aa7fc3...
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.