OpenTechnical

OT-2026-000009155

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000009155) never changes.

Identity and time

Publication numberOT-2026-000009155 · never reused
Internal UUID01a0ae6b-31b9-7b24-bdfd-eea92b2f43db · 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-2026-000009155
StatusPUBLIC

Content hashes

Canonical text55645f20fb27ea64b183560c9b9cbb8cc9e20c8d9f69dffa95342de220c21da8
Markdownc4f2f353766fecef23d91b22d7164c566d738892d3499eb05f4cf12ab8aa1c8b
PDF
Publication pagef9535bb400748606e7cc589a03f0b81e1d42c1cbc695b13050c6b2b1c8193c51
Manifestd1a40353b5e61130428f5db474272f3a4418b09b9a73fce998e9a127777efba5

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
Signature9s7jEprMshUsKyyO2horHpi2P1HBbGceNADZxzD0Ydv54C6wuAKO7xyycNMEVWYTQxxvcIcw7GLiAsqCXksTBA==
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

2026-09-17T12:17:51.423525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009155
observed f9535bb400748606e7cc589a03f0b81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.404711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009155/manifest.json
observed d1a40353b5e61130428f5db474272f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.384952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009155/publication.md
observed c4f2f353766fecef23d91b22d7164c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.365616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009155/publication.txt
observed 55645f20fb27ea64b183560c9b9cbb8c...
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.