OpenTechnical

OT-2026-000054364

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054364) never changes.

Identity and time

Publication numberOT-2026-000054364 · never reused
Internal UUID01a0ae85-b3aa-7185-8fad-76240d6a9eaf · 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-2026-000054364
StatusPUBLIC

Content hashes

Canonical text533849d8382b9e8805483c28917a5ba66af2f18bd5552aafe77906e7adc60c7c
Markdown8f34e14fdbaf96f8e509b64c6cd76e6c1e13cda427b373714e353984ebffcfc2
PDF
Publication pageb091dc49f8a7225b50b99cddacc862c8209d61382e412baf98391b0bc3475227
Manifest68855ad6a632af36286172358d89edc06f4814a2461be9e21c6b358ae9373807

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
SignatureYsWEMVY3hjN9k3mhYDinFIVEKlmM3BuMoG2XrRpbObdZBXlHFHxsJbqBvBOJpUwZ0R0IA3xnB1PpDRnBN92ACQ==
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

2026-09-17T10:54:53.302587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054364
observed b091dc49f8a7225b50b99cddacc862c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.283812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054364/manifest.json
observed 68855ad6a632af36286172358d89edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.265189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054364/publication.md
observed 8f34e14fdbaf96f8e509b64c6cd76e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.246083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054364/publication.txt
observed 533849d8382b9e8805483c28917a5ba6...
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.