OpenTechnical

OT-2026-000098871

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000098871) never changes.

Identity and time

Publication numberOT-2026-000098871 · never reused
Internal UUID01a0aea2-8286-7dc8-a3fb-19a57b3a3709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098871
StatusPUBLIC

Content hashes

Canonical text8cccb4d805ee7f9f2f55ec476ff1f6d345f12e2a56e45015ad67174c278829b9
Markdowna976441f4851a15d620237813d7c1e8ffafae9adb274416607d8051595cfd2cf
PDF
Publication page01ea954d664690dde14f2dc863917fc1b9ad6d90ad40e2f88a7a38f9466fcf7e
Manifest7b0ac76cc909aac79643aece8ed069e399f941634a830af0e66b1eab45567737

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
SignaturerhVh/tkTmhdz5/C/m8N/RBV6MaqDXsJS8NDRXvOWTF4Ttql2GawLMk+lnVWtz4zrrpN4ab6VPzz7MTXiPx+iDw==
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

2026-10-11T16:41:54.921523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871
observed 01ea954d664690dde14f2dc863917fc1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:54.849874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/manifest.json
observed 7b0ac76cc909aac79643aece8ed069e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:54.714334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/publication.md
observed a976441f4851a15d620237813d7c1e8f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:54.561902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/publication.txt
observed 8cccb4d805ee7f9f2f55ec476ff1f6d3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T16:41:49.380817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871
observed 01ea954d664690dde14f2dc863917fc1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T16:41:49.099236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/manifest.json
observed 7b0ac76cc909aac79643aece8ed069e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T16:41:48.994937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/publication.md
observed a976441f4851a15d620237813d7c1e8f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T16:41:48.779946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098871/publication.txt
observed 8cccb4d805ee7f9f2f55ec476ff1f6d3...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent