OpenTechnical

OT-2026-000099977

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000099977) never changes.

Identity and time

Publication numberOT-2026-000099977 · never reused
Internal UUID01a0aea3-1474-7dfa-a0d9-a6bc7554ec9f · 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-2026-000099977
StatusPUBLIC

Content hashes

Canonical textc7b858c19be9829bd888e2d39818bffe0767824b31205731f4b38e7e39a9db4c
Markdowna3dec6fe52f2eb032ccbd6bc731870a21fb4ed596d692b2f24a7febcaf3febbe
PDF
Publication page18b5b9751c4036568cda35212fe34321c375cbb3bfc6b5b3b360c496f4db2e14
Manifest8755a43b891fef2d8e062396f3f18ed3d5eb3372fd559d09d18a3f9e6b1a97b5

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
SignaturevXlOgXGnivwzYkGfI2dgSm3RSKgv/lRshWPSVrkKhrzaaz2A2hwHuo9LxlHs9/M88AdH73oDBI0xLDpA4MAfDw==
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

2026-09-17T09:30:40.669705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977
observed 18b5b9751c4036568cda35212fe34321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.650012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/manifest.json
observed 8755a43b891fef2d8e062396f3f18ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.633915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/publication.md
observed a3dec6fe52f2eb032ccbd6bc731870a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.612655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/publication.txt
observed c7b858c19be9829bd888e2d39818bffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.021873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977
observed 18b5b9751c4036568cda35212fe34321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.002561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/manifest.json
observed 8755a43b891fef2d8e062396f3f18ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.983785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/publication.md
observed a3dec6fe52f2eb032ccbd6bc731870a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.965024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099977/publication.txt
observed c7b858c19be9829bd888e2d39818bffe...
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.