OpenTechnical

OT-2026-000015456

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000015456) never changes.

Identity and time

Publication numberOT-2026-000015456 · never reused
Internal UUID01a0ae6d-ef4a-7913-a909-e38cfe00d10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015456
StatusPUBLIC

Content hashes

Canonical text72609ea6ae49a070a2ba065d8643e1897d59198b631a2ad054e04fe949becee8
Markdown8eee36e426e33c48029c0a6846af17215fa623d0919e56a188ad61939ffb7e48
PDF
Publication page2154ec70f04518b0b774d44e4fc8feaf727869804fb4f667d984c8b9cff65cb1
Manifestb027e292dd7d668c41195f671e12e8f5a886c44f68d824e74907e4eb4ec5c227

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
SignatureQlheju8G3+0YmDXuJ3yuUL3Pj13scfXj/5T8wWhrOZ1RlEGPXFQ3XoX+M2BhLdp1rDiXYA/EqKyGVjIuucnWBg==
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

2026-09-17T12:06:12.355558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015456
observed 2154ec70f04518b0b774d44e4fc8feaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.334626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015456/manifest.json
observed b027e292dd7d668c41195f671e12e8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.312706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015456/publication.md
observed 8eee36e426e33c48029c0a6846af1721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.294932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015456/publication.txt
observed 72609ea6ae49a070a2ba065d8643e189...
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.