OpenTechnical

OT-2026-000056133

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000056133) never changes.

Identity and time

Publication numberOT-2026-000056133 · never reused
Internal UUID01a0ae87-0a4b-7c99-baac-34214f4acf7f · 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-2026-000056133
StatusPUBLIC

Content hashes

Canonical text3d846033ab30a408b71a28c99d02b74eb771afae2c88eadd84f9144c1b1db70a
Markdown0c483bbbe4b26be29af05926ffd0ac576de0872c476fd43c7233dbd3748b468a
PDF
Publication page63023b4208ff101b857c9c73ccbb0ec97983056dc1c7825026e6f4e54b72f487
Manifestd5ee3467f1c2b122ed2decdadf0078a2182a6c5464fbf88c1c13df458086b052

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
SignatureV24g077rzUbezXynYExAIkAJIz6ojdtXYEY9FcZve2GJFBLAGkbi1ljO+XYeYPK6gyOrvepUdBJH3o+x8ksOAg==
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

2026-09-17T10:51:40.900911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056133
observed 63023b4208ff101b857c9c73ccbb0ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.885012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056133/manifest.json
observed d5ee3467f1c2b122ed2decdadf0078a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.868712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056133/publication.md
observed 0c483bbbe4b26be29af05926ffd0ac57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.851313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056133/publication.txt
observed 3d846033ab30a408b71a28c99d02b74e...
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.