OpenTechnical

OT-2026-000083835

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off 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-2026-000083835) never changes.

Identity and time

Publication numberOT-2026-000083835 · never reused
Internal UUID01a0ae98-0418-7436-95b8-98cb325bf8cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083835
StatusPUBLIC

Content hashes

Canonical text073c2df14af8117ff81eb951472aa2eeb159edf6e7cabc15a068d52c5c49a802
Markdown1c44e0ba00dbfc6d2f798ef1419c87b7e9fda98aab40edfb717f090ddb91b1eb
PDF
Publication paged7644ca12c16fdd2f97ca4e807639c75660a9f24333a387cb9a057e1c1b81ca2
Manifest3b0272d66c65d3dfe58d747da7434d3017bfe0adbf3dc3a13fef48bc0e2c929e

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
Signature9F5x9Xl9kFX2yXmWdvs8UorC5TgpRaKfPrIqmBochE2IrRRCnkfB0FdQgogRCdml13uTo/6a0IqANikSdZ2vBw==
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

2026-09-17T10:00:06.639088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835
observed d7644ca12c16fdd2f97ca4e807639c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.619734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/manifest.json
observed 3b0272d66c65d3dfe58d747da7434d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.600870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/publication.md
observed 1c44e0ba00dbfc6d2f798ef1419c87b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.574852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/publication.txt
observed 073c2df14af8117ff81eb951472aa2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.530593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835
observed d7644ca12c16fdd2f97ca4e807639c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.514262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/manifest.json
observed 3b0272d66c65d3dfe58d747da7434d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.498657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/publication.md
observed 1c44e0ba00dbfc6d2f798ef1419c87b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.481539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083835/publication.txt
observed 073c2df14af8117ff81eb951472aa2ee...
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.