OpenTechnical

OT-2026-000081291

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081291) never changes.

Identity and time

Publication numberOT-2026-000081291 · never reused
Internal UUID01a0ae96-f374-7833-800a-4b4224240f86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081291
StatusPUBLIC

Content hashes

Canonical text0d5cdf36e6a5495f1bbfe7bcab0715c607b7766bf939b86de4ac9d02602663aa
Markdowned9e0d766c3cdf299a2fad408364bf93eca976f2bfabf673eee28179b4170a28
PDF
Publication page3f46c1bb620004c84e6590853654d1534801491893358258f4941634021797fc
Manifestf45b45768ed19f7b7fd135136a5411ec148a720d9bf78bc89f6d2fa51fcf63a4

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
SignatureVDabdew/q05Wpk4Doce+48PS6GWWjonXtkexw2ctUQFNPJhfajcnbgLWj9mbnShaP2FM0dn698Zm5wziUaxuAQ==
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

2026-09-17T10:01:23.968070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081291
observed 3f46c1bb620004c84e6590853654d153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.950908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081291/manifest.json
observed f45b45768ed19f7b7fd135136a5411ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.933165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081291/publication.md
observed ed9e0d766c3cdf299a2fad408364bf93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.914757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081291/publication.txt
observed 0d5cdf36e6a5495f1bbfe7bcab0715c6...
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.