OpenTechnical

OT-2026-000072109

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072109) never changes.

Identity and time

Publication numberOT-2026-000072109 · never reused
Internal UUID01a0ae92-47c1-799d-83c9-c915be5124ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072109
StatusPUBLIC

Content hashes

Canonical text911891d5a52cf4ae39fe7514c09c3b3be3ff5085186ad2bffeae218d710d421a
Markdowna9fd704b03be6d1badc9cf0aa9b3eefe98fced06fd976a07105ca549ff5b2ccd
PDF
Publication pageba0746cdd11e594cb4b1505ebda623f1e23a0602927f010847dcc60fcc7d432e
Manifest053877e38c3adb27d7cfdb337da8d6c730e80ff03950fdcae3cab0d62a03294d

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
SignatureeemXrcbvo55bxo8b7km/G1QRX2zZT4e2kl5K5ZUOkbxcZO6JzV6VOmjj17bYQ9+1aADYW2+uvlPUVhdzv3esDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:11.540536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072109
observed ba0746cdd11e594cb4b1505ebda623f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.523947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072109/manifest.json
observed 053877e38c3adb27d7cfdb337da8d6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.505445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072109/publication.md
observed a9fd704b03be6d1badc9cf0aa9b3eefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.486546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072109/publication.txt
observed 911891d5a52cf4ae39fe7514c09c3b3b...
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.