OpenTechnical

OT-2026-000056152

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000056152) never changes.

Identity and time

Publication numberOT-2026-000056152 · never reused
Internal UUID01a0ae87-0a4c-795c-9f6e-ee8fc0bc9dfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056152
StatusPUBLIC

Content hashes

Canonical text0d48b13456d87efdb242773aecce5184720bc5a41f6acc4b10ecbe25330930a9
Markdown1942c8eb49045174a372855f8f1181653d3b301ea84de91bb50968179a00bdcb
PDF
Publication pagecdf2a45a8ebb1e66bf6ff949f9a28758a5558c893ba811ada3e6ded31695b32c
Manifest7a3a5b8d46f4b3e805debee0edc3adc657c32b05e06c510ebb7799756ad83ec6

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
Signature1Vw3CjMKMG5lQYhnxyt96y27qaWAJJAPoJebcVyLrG/oI9D7mKtnRYlSvnPtvbGqW8ehXfjodinf58cj3Q++Aw==
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

2026-09-17T10:51:42.436786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056152
observed cdf2a45a8ebb1e66bf6ff949f9a28758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.418595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056152/manifest.json
observed 7a3a5b8d46f4b3e805debee0edc3adc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.401027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056152/publication.md
observed 1942c8eb49045174a372855f8f118165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.380887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056152/publication.txt
observed 0d48b13456d87efdb242773aecce5184...
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.