OpenTechnical

OT-2026-000102144

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000102144) never changes.

Identity and time

Publication numberOT-2026-000102144 · never reused
Internal UUID01a0aea4-50f2-7269-90ad-187c38088331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102144
StatusPUBLIC

Content hashes

Canonical text9d1ec8754c4e45caed405aae13c4b760e2e4fbd918c81382bcc4b57991de25f2
Markdown1a1dd9e0e6f4a5261c3c67cff73818166fcc50a1429ecf903ffad9bb3a9f89ad
PDF
Publication page225ffd301a1516579ac34b7e4e9088bdded70de0b2d3fc5fd6f7da57f4b4dbf9
Manifestb2376b0e39a856fca9fc2a4124724d69b60588f779932196db5297466c2e5f9c

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
Signaturey7ofHKtHdWnC0XjdXWA1mRxboDsQLrWqqhIeo6FjOhXEhvSr7t6qb5mHncMivdzogn3O+XRBPjTJ4TS9Egw6DA==
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

2026-09-17T09:25:18.576795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102144
observed 225ffd301a1516579ac34b7e4e9088bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.559552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102144/manifest.json
observed b2376b0e39a856fca9fc2a4124724d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.542302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102144/publication.md
observed 1a1dd9e0e6f4a5261c3c67cff7381816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.525386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102144/publication.txt
observed 9d1ec8754c4e45caed405aae13c4b760...
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.