OpenTechnical

OT-2026-000050939

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050939) never changes.

Identity and time

Publication numberOT-2026-000050939 · never reused
Internal UUID01a0ae82-c7b3-7ffe-9bf5-c7581b131160 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050939
StatusPUBLIC

Content hashes

Canonical textbd3f2f8e25354f1c5b01821e2674f454b49bb7d0064da8c2c176dd881d405ace
Markdowncbd073f57063757aeeec598bd5533617c6572ea60e2b8c398ee0801ec727bde3
PDF
Publication pagedd23c31eeb0fa164b52005ee830fd1597c8a2fe6fb3075c2d9751bd7719037da
Manifest2df29accdfe723ffe5339809da80d389a8518b1a5b3e5f8409cd2fce146cdc26

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
Signature6ZYVQjbhKXMmN+JU51I+T5uAKUT/QgznxPLo/7uAg3ntBY3xwYukRdJ7VqfoOlSYRsP67bB03syV+joLJfv4Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:42.354471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939
observed dd23c31eeb0fa164b52005ee830fd159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.345799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939
observed dd23c31eeb0fa164b52005ee830fd159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.337464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/manifest.json
observed 2df29accdfe723ffe5339809da80d389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.326937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/manifest.json
observed 2df29accdfe723ffe5339809da80d389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.317143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/publication.md
observed cbd073f57063757aeeec598bd5533617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.309802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/publication.md
observed cbd073f57063757aeeec598bd5533617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.297568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/publication.txt
observed bd3f2f8e25354f1c5b01821e2674f454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.292339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050939/publication.txt
observed bd3f2f8e25354f1c5b01821e2674f454...
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.