OpenTechnical

OT-2026-000008961

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000008961) never changes.

Identity and time

Publication numberOT-2026-000008961 · never reused
Internal UUID01a0ae6b-31b7-7c9c-8ed6-b6c00649e04d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008961
StatusPUBLIC

Content hashes

Canonical text036ac78bb3b4135e50acfe7f99562388e1bfba111baa67c15e21b6e869af4ed5
Markdownebd52f4020398220205d64991f3c0aaab21fe6ddfcfc4ee7fdd575b3588b673d
PDF
Publication page9223cf4e6702d3fa721aa0bf6c1581ea92a593d671b22028c6823df65d2d0909
Manifest93702905e9e7c3be1a5cf769b6bc305c1703069045f3e97b231a17cea5617b65

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
SignatureFCDOZy1TeMUP8rClapQLupt4Tph3JLs6YXshORFHzQjrKPy1jcx+BPzVWZAVvB7mQS5sMHYry5TxQTYrszvsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:34.698639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008961
observed 9223cf4e6702d3fa721aa0bf6c1581ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.680049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008961/manifest.json
observed 93702905e9e7c3be1a5cf769b6bc305c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.661443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008961/publication.md
observed ebd52f4020398220205d64991f3c0aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.643404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008961/publication.txt
observed 036ac78bb3b4135e50acfe7f99562388...
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.