OpenTechnical

OT-2026-000028109

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000028109) never changes.

Identity and time

Publication numberOT-2026-000028109 · never reused
Internal UUID01a0ae72-a520-7b4e-aef4-c757d9d57346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028109
StatusPUBLIC

Content hashes

Canonical text7bb603552580f69039d841dd26d9823389a7a69170d6f8c54c5ae3a4611e55e8
Markdown6c48137d3d66c6b959b851454d8298cb2dfb29ea51995d66350a70924b47a18c
PDF
Publication page56580bb5fab0793a4104e2aadf57fafa4532627f11447f0ed57694d6f51fef96
Manifeste0b2a14ff2fbb34ea72fe2a03484c4998971fe48ba11f0ef8d30ef5ffcc40c4a

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
SignatureESI6h0gli7R1viHvjeHFZ8Q7PNiUIll+2NEjCdkyUHXOcko3h/CJe2JeixwDw90RvHJW2SHwkhx644wqLcUqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:27.482697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028109
observed 56580bb5fab0793a4104e2aadf57fafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.467084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028109/manifest.json
observed e0b2a14ff2fbb34ea72fe2a03484c499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.449891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028109/publication.md
observed 6c48137d3d66c6b959b851454d8298cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.432213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028109/publication.txt
observed 7bb603552580f69039d841dd26d98233...
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.