OpenTechnical

OT-2026-000102647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000102647) never changes.

Identity and time

Publication numberOT-2026-000102647 · never reused
Internal UUID01a0aea4-858b-7985-8699-84bf40612e01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102647
StatusPUBLIC

Content hashes

Canonical texte9f2dabcc63d6b3e235416163fa114298a455393c998acf508b3806c1714f9b9
Markdown4872ac60b262b5bb44c68f46f7c0a782d50897869b95ff1c50170095cf77ee40
PDF
Publication pagebcd37086a400f7b071c94c70c583e86f4ab70c1479ca78099751b14041d405e6
Manifest79f04b7686b297a5870c328896c050290463fbf87198d7f7a3ec12bc5929602a

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
SignatureJ0MP4oHYHPXPKq26bBFzMnumUMoQD+//s5KzibZiJ3/e81v9DN03V1SjujJ+ZsIFSQwZMhusrKMPPKRFYFmeAg==
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

2026-09-17T09:24:08.684331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102647
observed bcd37086a400f7b071c94c70c583e86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.666998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102647/manifest.json
observed 79f04b7686b297a5870c328896c05029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.650076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102647/publication.md
observed 4872ac60b262b5bb44c68f46f7c0a782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.632112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102647/publication.txt
observed e9f2dabcc63d6b3e235416163fa11429...
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.