OpenTechnical

OT-2026-000104135

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000104135) never changes.

Identity and time

Publication numberOT-2026-000104135 · never reused
Internal UUID01a0aea5-341f-79b0-a05c-126f31e67aa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104135
StatusPUBLIC

Content hashes

Canonical text4b1019be9c86db1fb1ee41d2e53c9800fa8bdb830d758d1fb1cdd1eed9e9b16b
Markdown91b44c7529a5df56f661793f1860bcbb51954de736f53f6fdec75f096341d144
PDF
Publication page4e07d549efa24af328e1ba1c308073968401113f5a97ea4cd42757d23e912a59
Manifest86538974bdca7f450ad0fac52e8fca90a402ec2a95d761632bb9ddcfb381be62

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
Signaturec1VBRU4frPcONmy2gaBdOeFpJ5JYEWpRhQPwBjbwXfpEO3sPUsvXOTccvNYRiONrKnJosJavj1v45qUvpa4nAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:13.058063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104135
observed 4e07d549efa24af328e1ba1c30807396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.037996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104135/manifest.json
observed 86538974bdca7f450ad0fac52e8fca90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.019489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104135/publication.md
observed 91b44c7529a5df56f661793f1860bcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.000155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104135/publication.txt
observed 4b1019be9c86db1fb1ee41d2e53c9800...
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.