OpenTechnical

OT-2026-000015286

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000015286) never changes.

Identity and time

Publication numberOT-2026-000015286 · never reused
Internal UUID01a0ae6d-ef48-7181-bbb7-2c13875e0ccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015286
StatusPUBLIC

Content hashes

Canonical textba49d765ff2df2a4c8dbad86e0d615548677c90f6014153ad2da632028d5f871
Markdown24ad988ba0bc48a5a75fc8f1ba213f89f36a84124dc825b694c236d3d9a63008
PDF
Publication page62b841a245b391e2b76356ec49b207e8e03590fd2c0b30c0136021c199ad56d0
Manifest52dbd8681adad58a5734c314bfce217211047f6bcc1f60fd923102097cd42e0d

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
SignaturejtSBq2foLI6rWdTs797YgJ2Br8RGh5trYfTL9ZoHRopaA5NB2MgS+gopL4yrh7SPMldTphIs8pRAHOqe0fC9BA==
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

2026-09-17T12:05:58.235210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015286
observed 62b841a245b391e2b76356ec49b207e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.215562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015286/manifest.json
observed 52dbd8681adad58a5734c314bfce2172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.194135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015286/publication.md
observed 24ad988ba0bc48a5a75fc8f1ba213f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.173447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015286/publication.txt
observed ba49d765ff2df2a4c8dbad86e0d61554...
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.