OpenTechnical

OT-2026-000099899

Publication integrity record

Four cup 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-2026-000099899) never changes.

Identity and time

Publication numberOT-2026-000099899 · never reused
Internal UUID01a0aea3-1473-7790-8bc7-b957dc356d1f · 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-2026-000099899
StatusPUBLIC

Content hashes

Canonical text96775fd705596ebb475e005356b76f055475baa3bcda6756eb0cdfcb0e0e0c20
Markdown3f809bffd983e21ec9e784624c44c7ac9e2b442a039b82ad6d86cd1953597650
PDF
Publication pageb401d0017edb54648878f98570a1745f248852b5b140f8640d6ef5759b525bfe
Manifest062ed29836341c7a0bc89cbb0a3f031688071b1c99246665ce63cd3bdbefcbdd

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
SignatureilXsOPzJpVIt3SdbzdsRjhCDyBGTGQMKHbxAdFuN/aZpyxDTR+9tnbgjN6btlvKyiI/T6bXfJsEy0Q5luYQ1Aw==
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

2026-09-17T09:30:32.044502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899
observed b401d0017edb54648878f98570a1745f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.024966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/manifest.json
observed 062ed29836341c7a0bc89cbb0a3f0316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.005567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/publication.md
observed 3f809bffd983e21ec9e784624c44c7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.987827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/publication.txt
observed 96775fd705596ebb475e005356b76f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.729702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899
observed b401d0017edb54648878f98570a1745f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.711125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/manifest.json
observed 062ed29836341c7a0bc89cbb0a3f0316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.694035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/publication.md
observed 3f809bffd983e21ec9e784624c44c7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.675969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099899/publication.txt
observed 96775fd705596ebb475e005356b76f05...
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.