OpenTechnical

OT-2026-000056562

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056562) never changes.

Identity and time

Publication numberOT-2026-000056562 · never reused
Internal UUID01a0ae87-7af5-7366-91d4-ac90d006ea08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056562
StatusPUBLIC

Content hashes

Canonical text24ee34ef22c22427f7719300e65baa663e55b65dc7c7a3d744b8dcbb0d0d443b
Markdownddf793445282ebe8c54e87271cd18ea1ea8e3382c39d57334a28a0083d0933b4
PDF
Publication page8a643fb6df1102533cddce1c2988f1643e924c032ce400a3470f862b56f02f56
Manifestee23271cde4b8f85b81be87de32141403c36fab5e3906fe319967b781989665f

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
SignatureEOEIjDvx6CRUmxG7JJQKbY7pyjde3B+yaw5kRqJ69oWiKzLkNWLC65IraD1XalND4tT2twZc6Ss0PaE1lS7QCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:53.960950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056562
observed 8a643fb6df1102533cddce1c2988f164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.939958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056562/manifest.json
observed ee23271cde4b8f85b81be87de3214140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.922779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056562/publication.md
observed ddf793445282ebe8c54e87271cd18ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.904952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056562/publication.txt
observed 24ee34ef22c22427f7719300e65baa66...
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.