OpenTechnical

OT-2026-000042110

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000042110) never changes.

Identity and time

Publication numberOT-2026-000042110 · never reused
Internal UUID01a0ae7a-5d71-79ae-81e3-f999e8804f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042110
StatusPUBLIC

Content hashes

Canonical text381e86c8e4f8275c3b5d0d4309a4b4037d22cfbc8a3820d579174b6bca64d3d1
Markdownd2bffd0d38538f9b1e7306a8eb2255e1b333cd9ca2934dab9e3e8011d4492560
PDF
Publication pagea6f69f107966bf7c2e1418e664df71574e11ec49554c229a66a41611899dcb62
Manifestf422d4d4a191788db2b175ee070a639a073448c831fdf9a233e56a551a45fe25

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
SignaturecBXmA/y+HilRenyP2K1HOac/hRimZqlesHuiYimLYDPDd2LcvFoMRrlN8TlRhN62YZVYAdbtaOE7tdGLwiQiDQ==
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

2026-09-17T11:15:38.818846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042110
observed a6f69f107966bf7c2e1418e664df7157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.798336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042110/manifest.json
observed f422d4d4a191788db2b175ee070a639a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.776545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042110/publication.md
observed d2bffd0d38538f9b1e7306a8eb2255e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.749726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042110/publication.txt
observed 381e86c8e4f8275c3b5d0d4309a4b403...
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.