OpenTechnical

OT-2026-000014012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000014012) never changes.

Identity and time

Publication numberOT-2026-000014012 · never reused
Internal UUID01a0ae6d-8deb-7d0b-aaed-6fecf1e0234c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014012
StatusPUBLIC

Content hashes

Canonical textdfb7f3b144cc7acea3eafb3655bcb645e205af0924f316c33cfca61d7294b3c2
Markdown7ae5f98b285097bc0feb74c14b9064eb0e4b08e922657d092b303140f962fefd
PDF
Publication paged42073db1597d491f2336f196f263cea03ced4ee29214463ec33ad657cfaffb1
Manifest9c21a7a5f8728713d0edf2a4eb7dd33a12caffa322c167d360e250664578dc5e

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
SignatureOt7mtf334/rDVP6uNUutC8XJ2Cyy0Ls/zpe7FM09N4cQjN4tU/yg9VQbu6zVAfS4hxEDB6qid6PptBW3wJLnBA==
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

2026-09-17T12:09:14.263733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014012
observed d42073db1597d491f2336f196f263cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.245154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014012/manifest.json
observed 9c21a7a5f8728713d0edf2a4eb7dd33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.224421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014012/publication.md
observed 7ae5f98b285097bc0feb74c14b9064eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.205168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014012/publication.txt
observed dfb7f3b144cc7acea3eafb3655bcb645...
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.