OpenTechnical

OT-2026-000081711

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained blow-off before 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-2026-000081711) never changes.

Identity and time

Publication numberOT-2026-000081711 · never reused
Internal UUID01a0ae97-0f73-74a8-a8f2-4503e2c6e078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081711
StatusPUBLIC

Content hashes

Canonical text85d4571961a6d3afa514903deee5c2bb53483783defb382475dbc3cd507045a3
Markdown38f972ae83096f3e4c26a602bea24b10073de6d0b4f432b13910b65fd32f0efd
PDF
Publication pagedc5cafd30185abac0c83d22e9cb5cd2741c39235248197770db491d1796099ef
Manifestcc6fc4a98ad731de1c54af397c083dddeecabb1b08eadc90cbf11886bec3b39b

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
Signaturek4dJl6rVfP5+ToNJjoMG2Sbbixe6MvP9LTRLsMVrprtyOrpGGD7WgxpcE+Tn3FN2hIjjovtSk2HDYPVdSMqeCQ==
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

2026-09-17T09:59:47.096434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081711
observed dc5cafd30185abac0c83d22e9cb5cd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.077324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081711/manifest.json
observed cc6fc4a98ad731de1c54af397c083ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.051542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081711/publication.md
observed 38f972ae83096f3e4c26a602bea24b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.034737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081711/publication.txt
observed 85d4571961a6d3afa514903deee5c2bb...
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.