OpenTechnical

OT-2026-000072418

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072418) never changes.

Identity and time

Publication numberOT-2026-000072418 · never reused
Internal UUID01a0ae92-89d7-7a3e-9e21-ea5aa8715e22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072418
StatusPUBLIC

Content hashes

Canonical text5c2d7d641fc46934921dab15e131aa2917e0e6d7d2978971265135dc8ede6df9
Markdown855f3814466ad30b85d82591cbaa033e1dd73ff738e42e28cd8027033537ee05
PDF
Publication paged05baaa10ee7434ba9c45693dd4acbec4cc392b1c78b7ba0ee00e1102a878b36
Manifestf1b035a43ac6708bcb6de8d87c2c5652eb01969aa2a37594fd95fc7d81d84e81

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
SignaturewJcQMHK7qb2nmuBK3ynTZfDKHbialuf/Ba6zhaQhAaeIpXJ6p5S4u/BdwSsT7EEVnB7+TBcp0S9Kr9FvG7yzAQ==
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

2026-09-17T10:22:11.983444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072418
observed d05baaa10ee7434ba9c45693dd4acbec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.964110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072418/manifest.json
observed f1b035a43ac6708bcb6de8d87c2c5652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.943825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072418/publication.md
observed 855f3814466ad30b85d82591cbaa033e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.923709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072418/publication.txt
observed 5c2d7d641fc46934921dab15e131aa29...
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.