OpenTechnical

OT-2026-000091336

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091336) never changes.

Identity and time

Publication numberOT-2026-000091336 · never reused
Internal UUID01a0ae9c-f16c-7673-a368-27fc99ea8790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091336
StatusPUBLIC

Content hashes

Canonical texte516cbdb11dc887990f89eb9a797a31e24b35e0191b16e6a138322f9e89c94c6
Markdown0df2eacf54c28f70a47c112abec843439ca380d95a34ffec5b8e3abb9a95375c
PDF
Publication page5ab497fb109ac3d6a1403f5054469ebe1788ed0251d8b3a701e21594d255a042
Manifest93d3cddba20f16d896962da24c191f31256d808a3439c7627a7381e87106c034

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
Signaturej8s1QRRrgo3kLRxafNWSW19FaiWtxZR7yZxFSmZurZKEm85AHvdbiZFYTnH6SCDG/5dRIkm/fnqtfnmCuxGZAA==
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

2026-09-17T09:43:32.666098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091336
observed 5ab497fb109ac3d6a1403f5054469ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.649987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091336/manifest.json
observed 93d3cddba20f16d896962da24c191f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.632219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091336/publication.md
observed 0df2eacf54c28f70a47c112abec84343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.614386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091336/publication.txt
observed e516cbdb11dc887990f89eb9a797a31e...
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.