OpenTechnical

OT-2026-000057394

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000057394) never changes.

Identity and time

Publication numberOT-2026-000057394 · never reused
Internal UUID01a0ae87-d5be-71d9-8cbe-561d69b6b64f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057394
StatusPUBLIC

Content hashes

Canonical textbc4cad97628945f94451b3ef7a54873dbea6e034bd325498f2d462eb4412f920
Markdownc94f8cc62862530b9d50327819b24feec00e10abee2f50f339a852e29e418d28
PDF
Publication page030b37f88afb9d8b70c322aa56b8a36ba048b2627ab2d9b51975d00749a1f14f
Manifestc72f680e8a5d1e33cdde858d7d1049fdeff4eeae5f6babab5612ea8f13aee6ae

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
SignatureEjj5maLFhlgrSPSwP60rBp0GS1Ed855oJuW6JVrUV4hVC3/lyGuwCrMyzY56d9CgFBll9u41KaKVOOY7nt94BA==
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

2026-09-17T10:49:40.763819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057394
observed 030b37f88afb9d8b70c322aa56b8a36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.747422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057394/manifest.json
observed c72f680e8a5d1e33cdde858d7d1049fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.729603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057394/publication.md
observed c94f8cc62862530b9d50327819b24fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.712877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057394/publication.txt
observed bc4cad97628945f94451b3ef7a54873d...
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.