OpenTechnical

OT-2026-000005510

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, two stage ejector, contact triggered

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-2026-000005510) never changes.

Identity and time

Publication numberOT-2026-000005510 · never reused
Internal UUID01a0a93b-6514-7f24-a6f1-bc375340d6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:37.142945Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005510
StatusPUBLIC

Content hashes

Canonical textda9b8e3bb31d4850684c3ce219245625c1bbe9c7b037b7e34bb796174256c1c0
Markdown680f6b33697702bd87d0aa6746c6820d7d719d48286b0dd5b9d4f012e9b9146c
PDF
Publication page4f94eb2f0bb28a8fda5c87ede002772100de01fb2d9a6b32c9fc2b40bb8846dd
Manifestc9512fbcc98c317d96ecc278f716650659fce03eb796d9031c0a888cdff74b9b

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
SignatureyGHDRf+cthvGrzEWRqvkGtDG+i1/oGLJPM4Nj+ipwZM4CZuOftlvH06u8MasSs+bxA4g8PG2Ju5EHMt4MV5+DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:43:14.646423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510
observed 4f94eb2f0bb28a8fda5c87ede0027721...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:14.217831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/manifest.json
observed c9512fbcc98c317d96ecc278f7166506...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:13.908367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/publication.md
observed 680f6b33697702bd87d0aa6746c6820d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:13.473581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/publication.txt
observed da9b8e3bb31d4850684c3ce219245625...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.423086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510
observed 4f94eb2f0bb28a8fda5c87ede0027721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.410611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/manifest.json
observed c9512fbcc98c317d96ecc278f7166506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.397245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/publication.md
observed 680f6b33697702bd87d0aa6746c6820d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.383217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005510/publication.txt
observed da9b8e3bb31d4850684c3ce219245625...
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.