OpenTechnical

OT-2026-000074154

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074154) never changes.

Identity and time

Publication numberOT-2026-000074154 · never reused
Internal UUID01a0ae93-7177-7431-8978-858d5c0a6252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074154
StatusPUBLIC

Content hashes

Canonical text3f130d4570ca94de6211c08ed6786ad70223d728c80740be6d3338e1111344fd
Markdown53622321aabb2450dc1a61bb099976d1d9bc25f99e8acb5bcae34b48bafcd4aa
PDF
Publication page65e627844acef98540f5f342cb2c2327c1e65c13a6702a2fda6ca92735e70a9e
Manifest9bc41520fbcc189ced0481e192e880b9951304993790d325b9575cc4d5a11200

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
SignatureBSWg7k/6TzADKds401l8jwXf/+7sxgmGDtK++NYcl9vI13WFh4/gt/eL0QsgHkZF+VPTe7HXXsf4+Se70j1uBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:00.120909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074154
observed 65e627844acef98540f5f342cb2c2327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.104540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074154/manifest.json
observed 9bc41520fbcc189ced0481e192e880b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.087133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074154/publication.md
observed 53622321aabb2450dc1a61bb099976d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.070123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074154/publication.txt
observed 3f130d4570ca94de6211c08ed6786ad7...
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.