OpenTechnical

OT-2026-000049869

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000049869) never changes.

Identity and time

Publication numberOT-2026-000049869 · never reused
Internal UUID01a0ae81-fd75-7a53-9e9f-063d29bdadde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049869
StatusPUBLIC

Content hashes

Canonical text85c26a283c9f18c03b01c0c11a33f95b1c0b97e2c50516232528d4578c59feba
Markdown2ec2011e9dc24353c98b0e4f863f2b2d2efc5b8141e1a9ac59c85825c023b180
PDF
Publication pagecc5ce9560dfdd2ca0fef4b464962d216fe1eca432d9fae7caabd20324b63e207
Manifest25544c5fbf2425df685df08663621e6e08bb5876075d7551e0e827ea0ad63699

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
Signature4JZBfFl8RiQ+Z4wP3CS26oRHcl/2RYVxnYG3wn1qmRF8YaCvBELUCgfnjO8S09A5wNR/X8COIKm/xuTLB0v0AA==
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

2026-09-17T11:01:46.658522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049869
observed cc5ce9560dfdd2ca0fef4b464962d216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.636307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049869/manifest.json
observed 25544c5fbf2425df685df08663621e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.615425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049869/publication.md
observed 2ec2011e9dc24353c98b0e4f863f2b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.595152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049869/publication.txt
observed 85c26a283c9f18c03b01c0c11a33f95b...
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.