OpenTechnical

OT-2026-000029995

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000029995) never changes.

Identity and time

Publication numberOT-2026-000029995 · never reused
Internal UUID01a0ae73-ac49-7280-b2ba-506854c45ce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029995
StatusPUBLIC

Content hashes

Canonical textcf7ab44d79d598cafd69314abd1593c025a3e418af8210c8ac066c6460603101
Markdownbb92d46a98a37dd8ee53e45c245dc5a3afb2ed8d9139ba27b7845a97f2514edb
PDF
Publication page3d25d85a026d7ece69318880db69c9f717346847d89fd337dc134a7543e6c93d
Manifestfde8d2d6ceb8675dea1e48eba4e6fe486716166517bd7cf48875400f0c14c5e6

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
SignaturevSvQ34b9ucP4iXfheT6jvuv/sxIMgrCqIos6IbWr9JTCJ+wOCimIw9bChlXI7E35ZLIqoemI7NXx9/adSW/KAQ==
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

2026-09-17T11:38:43.352713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029995
observed 3d25d85a026d7ece69318880db69c9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.336567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029995/manifest.json
observed fde8d2d6ceb8675dea1e48eba4e6fe48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.317460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029995/publication.md
observed bb92d46a98a37dd8ee53e45c245dc5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.294957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029995/publication.txt
observed cf7ab44d79d598cafd69314abd1593c0...
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.