OpenTechnical

OT-2026-000103639

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000103639) never changes.

Identity and time

Publication numberOT-2026-000103639 · never reused
Internal UUID01a0aea4-e462-71b0-84d3-95391e918c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103639
StatusPUBLIC

Content hashes

Canonical text179b8e8e358c832ec43fc03929d79c0206624e90539d3003d68a33f2a6675fda
Markdown5357e6ecd19b033d7d346f8f6d2e3e1bc39f7785f86aa8f405363613e3ae4e30
PDF
Publication pageb8c13109842ede52bcb20f37ff2eef03dc863c2c42f3a7143580161c8d22126a
Manifest028e48184473760fc2e0a495aa61b2708556c9320dbf40ac5401721db68d20fe

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
SignaturejFQwqhhHTTiSjRgM/w9BMSS6gZ4lnc3MuP4A2ei94HhG25HgEUzz+N5dBDPOxSzv9kHMAOI2R2uPB21j9lj6DA==
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

2026-09-17T09:22:26.142443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103639
observed b8c13109842ede52bcb20f37ff2eef03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.125918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103639/manifest.json
observed 028e48184473760fc2e0a495aa61b270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.109899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103639/publication.md
observed 5357e6ecd19b033d7d346f8f6d2e3e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.092155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103639/publication.txt
observed 179b8e8e358c832ec43fc03929d79c02...
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.