OpenTechnical

OT-2026-000078549

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078549) never changes.

Identity and time

Publication numberOT-2026-000078549 · never reused
Internal UUID01a0ae95-7c29-782d-98e6-759af7654183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078549
StatusPUBLIC

Content hashes

Canonical text4f27a6763784880ebb6912d9da1bc371b0e696ce36f6b5dffc6702a7b8388130
Markdown23e70844c9197dd900c39b7cc61fee7bc3e9c6bff45cc817d549e021401dcf2c
PDF
Publication pagea7dba55d56b211e3c454afd67003df22862cf89dfaf40b8c12df1b3801bff8f1
Manifestce46ccc2a8da77e2328077504d6104d8bc58de5058ba25436fa57c7ce6e0f662

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
SignatureWFXghjXfa6nYPJwZCkHKVdSmdLF450LaxUGjiYOKyERHQ4ilKWbMsz5STNBlwJk0rDVD/8p+RlobB3lF6Yd/BA==
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

2026-09-17T10:06:34.239453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078549
observed a7dba55d56b211e3c454afd67003df22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.218516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078549/manifest.json
observed ce46ccc2a8da77e2328077504d6104d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.199457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078549/publication.md
observed 23e70844c9197dd900c39b7cc61fee7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.179745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078549/publication.txt
observed 4f27a6763784880ebb6912d9da1bc371...
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.