OpenTechnical

OT-2026-000042126

Publication integrity record

Foam pad vacuum gripper, 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-2026-000042126) never changes.

Identity and time

Publication numberOT-2026-000042126 · never reused
Internal UUID01a0ae7a-5d71-75a5-8a0a-61bd392b6733 · 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-2026-000042126
StatusPUBLIC

Content hashes

Canonical text64f2175fc038a4a394250e26265ad71b216ab874f6f7cd887ccd48489e834548
Markdownf91d3f15b129be49ca5a7c0c18c864672db60840c485c2fc3f51234b7611bb3a
PDF
Publication pagefd255468d9ac1ae9e9c075554ab344662be8b3d91bac05ddb5d3173a54d7fbde
Manifestc2f8294a9a3090e1d8fd19e05a93eaeca350c6886b5d4c38160bb41d23c0d747

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
Signature80ilihZaeFl2y81YFLZnXWq+mwnjHBnuYPTuNLTbLKDgITVgVDuLfHp0hu3L+mXzs3AyNlCRobeAyspaukpGCw==
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

2026-09-17T11:15:40.259216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042126
observed fd255468d9ac1ae9e9c075554ab34466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.239356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042126/manifest.json
observed c2f8294a9a3090e1d8fd19e05a93eaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.218001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042126/publication.md
observed f91d3f15b129be49ca5a7c0c18c86467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.197919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042126/publication.txt
observed 64f2175fc038a4a394250e26265ad71b...
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.