OpenTechnical

OT-2026-000055935

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000055935) never changes.

Identity and time

Publication numberOT-2026-000055935 · never reused
Internal UUID01a0ae87-0a4a-7d7b-9a8b-71ed9df20327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055935
StatusPUBLIC

Content hashes

Canonical textda94f84827095c3536d7fa56c463458f3e50f63e88786feb7ab7366f011f6a11
Markdown0c20a5201c857175bef31bb807e630c87e215d2b1fab78987b271f38451b12f8
PDF
Publication paged2845c973df8c48dbbc800e7b6ee7f8461679bdeb92ea1504c07c5dd76a7c599
Manifesta8f5f8c4ad86ea5ad3c4b148a2ad094f5c026110363f0787837b6d10ecb2d09c

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
SignatureQA4a8P1660hCJV/rTjsHitCroCkBDUrNqpUPyYzqTmaCp9Nykl2flG10r+H2dEuBQBH3RPcKI/PCjJ+SVux2AA==
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

2026-09-17T10:51:27.178036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055935
observed d2845c973df8c48dbbc800e7b6ee7f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.161279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055935/manifest.json
observed a8f5f8c4ad86ea5ad3c4b148a2ad094f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.142748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055935/publication.md
observed 0c20a5201c857175bef31bb807e630c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.125738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055935/publication.txt
observed da94f84827095c3536d7fa56c463458f...
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.