OpenTechnical

OT-2026-000103720

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed 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-2026-000103720) never changes.

Identity and time

Publication numberOT-2026-000103720 · never reused
Internal UUID01a0aea4-e462-78d1-aa70-57ac01ca0be8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103720
StatusPUBLIC

Content hashes

Canonical text3f9025cbe3d800e5833a75b21b92cdc9b54c6a5e49fd9978a45813e8fe364c1b
Markdown3592192d2ee798868acba26dc58a84ca3ed1f87a3bb481ddd28d21350cdd81f6
PDF
Publication page1e8d4e7f641a57a2a8a21bfd09b68dda8a808075f5348607987f6e1a21397dfa
Manifest9b7ac4e7b48055139a7d9d8bffcdb184f6863978cea815d36e7ac1b1fcb91cbb

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
SignaturePw3GeEINOkcjbRdaJ4Xh34J+B1MYji9AWxcYfTQ26rB9+6uOeLhnp1DFEo/GZYgQBqZrpuYLwZZh2mEtGvOMAg==
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

2026-09-17T09:22:32.051507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103720
observed 1e8d4e7f641a57a2a8a21bfd09b68dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.034747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103720/manifest.json
observed 9b7ac4e7b48055139a7d9d8bffcdb184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.018430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103720/publication.md
observed 3592192d2ee798868acba26dc58a84ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.002424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103720/publication.txt
observed 3f9025cbe3d800e5833a75b21b92cdc9...
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.