OpenTechnical

OT-2026-000053787

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000053787) never changes.

Identity and time

Publication numberOT-2026-000053787 · never reused
Internal UUID01a0ae85-735d-74d9-8fa7-4ef20dd42e93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053787
StatusPUBLIC

Content hashes

Canonical textb3ca066b460aefdb4787a1b0ebfc92348501826b6947362af97b5b6150c5a5ac
Markdownd873bf7250e52ab4bcfc923538492641e041a48530315f8c4eee5fd6690a4ce3
PDF
Publication pagebff212a03e2260eb7aceb0b0f622c9284a34afc20708e3f4e6cc035d23fd7dbc
Manifestd4f62e8811aae5bf7f7ab6568c9debdfb12435097109d9c5aaddacf05e159f0f

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
SignatureTu2zO0UJMDU5pkhb0qpeWDjCMmvEB/6yZpddgTUCR7bdGSkVA0KBLB2rOMrp7V5o1WJ/MIqonB6Ulhtp/24RCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:28.312935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053787
observed bff212a03e2260eb7aceb0b0f622c928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.292765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053787/manifest.json
observed d4f62e8811aae5bf7f7ab6568c9debdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.265565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053787/publication.md
observed d873bf7250e52ab4bcfc923538492641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.244441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053787/publication.txt
observed b3ca066b460aefdb4787a1b0ebfc9234...
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.