OpenTechnical

OT-2026-000014247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000014247) never changes.

Identity and time

Publication numberOT-2026-000014247 · never reused
Internal UUID01a0ae6d-b279-7340-b3ee-8b3a69d17410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014247
StatusPUBLIC

Content hashes

Canonical text3c532cb0da73f7d937038e259dec25c56c22e7020ea4f6ca3490745139182636
Markdown957120a09a3c2c89b7aa75b263bd1b3264136519f7cb9a7970246cef2280e019
PDF
Publication page8d17b026271213dc2d8c6bc6a06d9b98af2064bb208f90204cef22da675eacba
Manifesteead18a590e3f3f036fc7c61fecd24ac37e61a61153631173bd5ed1169acd817

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
SignatureYTjHPjU2DnbdDGTQBgYD+RFetUgs2ZZXo4lGb2YYgx15WwWVQ5D5kWGV6eHZkEiHfoi1DhaLgAKPy55krgOhCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:22.163105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014247
observed 8d17b026271213dc2d8c6bc6a06d9b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.146318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014247/manifest.json
observed eead18a590e3f3f036fc7c61fecd24ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.126664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014247/publication.md
observed 957120a09a3c2c89b7aa75b263bd1b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.107326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014247/publication.txt
observed 3c532cb0da73f7d937038e259dec25c5...
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.