OpenTechnical

OT-2026-000103162

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000103162) never changes.

Identity and time

Publication numberOT-2026-000103162 · never reused
Internal UUID01a0aea4-be3e-7954-8488-8b354f7acc26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103162
StatusPUBLIC

Content hashes

Canonical texte6320299b29f17cdeb147bcb57c18cb9040793a7b1e892dce3beb00b2e49805a
Markdownadc35bb8c5580f7b07190ddc04e4651549d4ef16984b9f8e5db1f7ac09b3cdf3
PDF
Publication page3a1f8d36092bfd3b3442ceddaedc8ef1ca527fe98c8361182dcdc7ead9c1bc04
Manifest33ef8849e98c25d9242252dda8ac9acf597289bc096caf25f4cc44330554da92

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
Signaturee3EjF2h/8phRdhyBGx8xc7vl4iiJ1N0foTginhfOGlZp+FTzPDoFpltgfXb4UhNTq1uHtP/ve1CeffQJOJGxDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:22.628035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103162
observed 3a1f8d36092bfd3b3442ceddaedc8ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.611542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103162/manifest.json
observed 33ef8849e98c25d9242252dda8ac9acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.594075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103162/publication.md
observed adc35bb8c5580f7b07190ddc04e46515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.576803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103162/publication.txt
observed e6320299b29f17cdeb147bcb57c18cb9...
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.