OpenTechnical

OT-2026-000055258

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-2026-000055258) never changes.

Identity and time

Publication numberOT-2026-000055258 · never reused
Internal UUID01a0ae86-a0ff-79a9-a3b1-e716e34b73ed · 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-2026-000055258
StatusPUBLIC

Content hashes

Canonical text8b2a5a9bb826703f83ad3884661f90af77b4efd73a9a226c5130e56c3b07edf4
Markdown1e33c7fdae4883b94e197ccc6e8e32d784870dd548b9806692d7f75d64c1c6fe
PDF
Publication page57b31c2a45f57267e33cd4679634c8949106715f9ba6e8ca5ae7f0c696d2947b
Manifest2e706a99a99aaf0d89f7dd01ca62b7959589281b221651f11b0a6903db70597a

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
Signaturehd4bwAGW7pGr1IncCybN1W+RT7fizIvmjnCLuF4fVT1BhsqCMG9xBEfqh/9qtPTI9BKkhlUa74klTNPpDtifCA==
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

2026-09-17T10:51:50.802062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055258
observed 57b31c2a45f57267e33cd4679634c894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.783368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055258/manifest.json
observed 2e706a99a99aaf0d89f7dd01ca62b795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.764626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055258/publication.md
observed 1e33c7fdae4883b94e197ccc6e8e32d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.748549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055258/publication.txt
observed 8b2a5a9bb826703f83ad3884661f90af...
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.