OpenTechnical

OT-2026-000070148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000070148) never changes.

Identity and time

Publication numberOT-2026-000070148 · never reused
Internal UUID01a0ae91-1862-782a-8db9-497dc8a26862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070148
StatusPUBLIC

Content hashes

Canonical text34bf5ada56dcd969def6c9b4c240b4abdc04c116fd0a6de82a4fa58bd2aefaaa
Markdown5ca1434870a6c467b0e59768c1340859b282663a4185d8ce3313aed97210bc98
PDF
Publication page72138522655df4a97199cdce5ae1febf39691dea6038faec3b4192fef1e0f79a
Manifest4b5be97f4354fb2dfca75d9a2bc22df7d5c1d211447c0ae4d937000bb0d4fc08

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
Signature9bJtFI4r5o4dbZw28xvqI/DxXM6NxKlLd4G5lHhm39FpAHQJRmdjBiRgIr/LRUNJ6XuWPrm2GGVlogrfzSHUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:11.627967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070148
observed 72138522655df4a97199cdce5ae1febf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.611135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070148/manifest.json
observed 4b5be97f4354fb2dfca75d9a2bc22df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.591321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070148/publication.md
observed 5ca1434870a6c467b0e59768c1340859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.574422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070148/publication.txt
observed 34bf5ada56dcd969def6c9b4c240b4ab...
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.