OpenTechnical

OT-2026-000008140

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000008140) never changes.

Identity and time

Publication numberOT-2026-000008140 · never reused
Internal UUID01a0ae6a-908c-78c2-bea9-d10b0a9db5f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008140
StatusPUBLIC

Content hashes

Canonical text652ba64567389980ad0ebb9b5268d0238f92880b40b263c44ae4617f5903492d
Markdown0ea6ce5c17ae35deb7b2022e4fcecae303a5ce8e1725b0a55c6fb58dd3aeced2
PDF
Publication pagea5e59e378265354b9315728ae11a4b4f9dae341a50a8b828a83404a599e316e9
Manifestf3982979ccdfdb031d9f7f048af3c67895f2a8ce0c618252ad38b4442dddc18e

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
SignatureotTCDDqC2fSdeztaT0q835Z8erFb5V7Ofmud24UNpjTrDlQIVlcsrgGAHD4wMEi+0VetGggKGTTgyyU8UfxWCA==
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

2026-09-17T12:20:28.085115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008140
observed a5e59e378265354b9315728ae11a4b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.062675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008140/manifest.json
observed f3982979ccdfdb031d9f7f048af3c678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.045109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008140/publication.md
observed 0ea6ce5c17ae35deb7b2022e4fcecae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.027615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008140/publication.txt
observed 652ba64567389980ad0ebb9b5268d023...
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.