OpenTechnical

OT-2026-000010090

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000010090) never changes.

Identity and time

Publication numberOT-2026-000010090 · never reused
Internal UUID01a0ae6b-cb7a-78fd-b2c3-327a31f30e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010090
StatusPUBLIC

Content hashes

Canonical text25a96f628b996085ca722f948cb6fca142279ce02bbb10a192053a6af82cfdec
Markdown1b1228740c6541458496a569773d3f0dc214064cea9577bab1241dba13ff6ac0
PDF
Publication pageb59885d69281c316a72dc1a60863ebaf71c04407cce28629f8ab04d0ee2e5a53
Manifestdab2042b4e6113c65a252c85e1ecbf4e57497cf114e2102d184630b2c4f148ef

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
Signature7ibPySipWs1Ozg6LAJHxXkrtLjV1rGhjkcnV9ej2+k8z59TadnD9ccMqSiDH94Q2VjkZrqsDJ3S7I1rVMnkyBw==
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

2026-09-17T12:16:10.508407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010090
observed b59885d69281c316a72dc1a60863ebaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.490817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010090/manifest.json
observed dab2042b4e6113c65a252c85e1ecbf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.472623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010090/publication.md
observed 1b1228740c6541458496a569773d3f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.453444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010090/publication.txt
observed 25a96f628b996085ca722f948cb6fca1...
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.