OpenTechnical

OT-2026-000051502

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000051502) never changes.

Identity and time

Publication numberOT-2026-000051502 · never reused
Internal UUID01a0ae83-7c80-76d2-9fd7-1aaf952b551e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051502
StatusPUBLIC

Content hashes

Canonical textf5225df06be76c8efd8ffd9ae9369cf07cc1a9850a387c59a328d478a5431f13
Markdowne321073965804a8c966606cd018dffd0e74d0d64982f0886785be7b88e1b9b14
PDF
Publication page0690e9bf843f2a6a3a0ca211521647af554b8517a2819c8835c76d5ba0eeaf49
Manifest64b3a9bd3139a5dfe4951cc65c14e49950e767a9a8558bb210c2db1143e7867d

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
SignatureoitHKSdaJcZAGnhoXkV+ObwQOpLZ0GLd7c7x79kMwU8l0bH91VC7AHH+dgK1uEtEsFbB+VyEih4yPE4WE8J2Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:19.168398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051502
observed 0690e9bf843f2a6a3a0ca211521647af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.150775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051502/manifest.json
observed 64b3a9bd3139a5dfe4951cc65c14e499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.133753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051502/publication.md
observed e321073965804a8c966606cd018dffd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.115904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051502/publication.txt
observed f5225df06be76c8efd8ffd9ae9369cf0...
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.