OpenTechnical

OT-2026-000055631

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000055631) never changes.

Identity and time

Publication numberOT-2026-000055631 · never reused
Internal UUID01a0ae86-a103-7778-a402-927948d25c4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055631
StatusPUBLIC

Content hashes

Canonical texta68564fcd004a82412636bb924128c84e2f414de850f399cd7d19bd416721da1
Markdownb718fe4538fa4c81433d7a86df9b39007910bcba0ed521d3722400c75e80d7c2
PDF
Publication page037bcd3ac3e631510127e851905bb8e6ca6b8f84a4d7e68c2083bbbea5b47598
Manifestb07c25833d36d00a12ec6799bb8f5ebbb0a78facb9e5c747a70eba6d410c73a5

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
SignatureWtpy62TEGdHhCByzbII/VHYS/ORQcW0JRC+XW6gwWhEIPS0a1kRNoAfaog+t9lQEcWGGN4gANnUTwwmgw2jFCw==
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

2026-09-17T10:52:52.871273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055631
observed 037bcd3ac3e631510127e851905bb8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.853366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055631/manifest.json
observed b07c25833d36d00a12ec6799bb8f5ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.835073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055631/publication.md
observed b718fe4538fa4c81433d7a86df9b3900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.817625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055631/publication.txt
observed a68564fcd004a82412636bb924128c84...
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.