OpenTechnical

OT-2026-000043986

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043986) never changes.

Identity and time

Publication numberOT-2026-000043986 · never reused
Internal UUID01a0ae7b-d679-79a0-9a1a-d3f987ff20b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043986
StatusPUBLIC

Content hashes

Canonical text84f4d9806e8527a3c9a990ade9381bcd14ebbbdfb36e17214eb40c6705d79123
Markdownc1f2217f61e83dd6efdc7b9c5b989af79b7db0fe4ce3613bd877b29febc9bb54
PDF
Publication page68365aa80dad41655cba4966c3440cb6c7c00001b301b727b4368eb3958aff95
Manifest923c0734d9656ab73bac328696adb49ca88174f484d066e9327ee9f792b6c878

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
SignaturedNwSPO4TQ4hUPs5JzX4KOSx0qtrvFcIoFRQEX73n8ZrTR2G9YqmudkgC0+3JcU6a6zBpB4cdIXoN4asQgGFlBA==
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

2026-09-17T11:12:21.321314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043986
observed 68365aa80dad41655cba4966c3440cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.301568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043986/manifest.json
observed 923c0734d9656ab73bac328696adb49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.283007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043986/publication.md
observed c1f2217f61e83dd6efdc7b9c5b989af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.262409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043986/publication.txt
observed 84f4d9806e8527a3c9a990ade9381bcd...
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.