OpenTechnical

OT-2026-000055242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000055242) never changes.

Identity and time

Publication numberOT-2026-000055242 · never reused
Internal UUID01a0ae86-a0ff-7d40-bd2c-549c7374172e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055242
StatusPUBLIC

Content hashes

Canonical text8b5156f96123b1014a08abc10b8582f0a18115c99c546e83234ba5df1722da04
Markdown1ae5c584344dfd5bccca373e2722e3100f45e33df8204a7c1f5b871878261017
PDF
Publication page6f5721b99211c0782eca6dc360ee8f77698f0c2bc33a171d8c726b99a96cf0cc
Manifestf289cb504ee6ec315f6c636f501d845df26541e76d6488a0a4ee2579808107ed

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
Signaturex1B9+yMLTMDfiO1D/r5lVgCwD7thv5gMFiOJRC4RIdWVJgGxuKldgh2HVu99qxGrMai4XmRHrr4/gUTJov5tCw==
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

2026-09-17T10:51:49.574809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055242
observed 6f5721b99211c0782eca6dc360ee8f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.558490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055242/manifest.json
observed f289cb504ee6ec315f6c636f501d845d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.542866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055242/publication.md
observed 1ae5c584344dfd5bccca373e2722e310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.526421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055242/publication.txt
observed 8b5156f96123b1014a08abc10b8582f0...
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.