OpenTechnical

OT-2026-000055115

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000055115) never changes.

Identity and time

Publication numberOT-2026-000055115 · never reused
Internal UUID01a0ae86-5e82-7233-acb4-eb98bd0be2e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055115
StatusPUBLIC

Content hashes

Canonical text5bc0354871f15992794f4462ffc370f10f6a7ace734e3e05c2a0875df943ab41
Markdown160d50aac65c58bb3964b8c98827e43adc4f9d4619938fb966344173ffa94dc0
PDF
Publication page85be6bbf8013b5b39bf7a148215f003cdede42c20ac27b0753cfd5e62b71cfda
Manifest656ec89d57661d1bde5394411503e55c20d8702afe47220caccbfaee8f8502d6

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
SignatureK6yTE4pq5rSdsLPa6Br2Kjh2wB5BdfeOj4U6utdBMyeCxwFmR5hEPObaSp5z9YNuJFa08dnwj/kPMjpc0SGUCg==
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

2026-09-17T10:53:16.771364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055115
observed 85be6bbf8013b5b39bf7a148215f003c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.754426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055115/manifest.json
observed 656ec89d57661d1bde5394411503e55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.736940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055115/publication.md
observed 160d50aac65c58bb3964b8c98827e43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.719917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055115/publication.txt
observed 5bc0354871f15992794f4462ffc370f1...
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.