OpenTechnical

OT-2026-000054401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000054401) never changes.

Identity and time

Publication numberOT-2026-000054401 · never reused
Internal UUID01a0ae85-b3aa-7243-ac00-ddc48e4d95ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054401
StatusPUBLIC

Content hashes

Canonical text76dc618cffc14bba631a4894d5578cc7ade1c05dbf1c6a2db0965a3a4836e3f6
Markdownfef9229ed30278d669eaabdb46407a698b9c820b245ef034522b89306970b24b
PDF
Publication page0d6876eec5ce59a81017381a9aa8a8deedde183ee38b54b3c4b3a4658a2639c5
Manifestd0b780b8dbfb1ceb44944499766635fb8d9a67511b75715cfe75853e43b1c25d

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
SignatureOja6oqWBkcyrfGgKNeVqRTPGR8ruFoisOA1p7+8NYrH6JVNFTfdNnOmg87YEF1e4SfjTjCTLxQUwU2WzqQiDCA==
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

2026-09-17T10:54:56.671722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054401
observed 0d6876eec5ce59a81017381a9aa8a8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.652248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054401/manifest.json
observed d0b780b8dbfb1ceb44944499766635fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.632124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054401/publication.md
observed fef9229ed30278d669eaabdb46407a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.611297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054401/publication.txt
observed 76dc618cffc14bba631a4894d5578cc7...
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.