OpenTechnical

OT-2026-000055055

Publication integrity record

Two bellows 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-2026-000055055) never changes.

Identity and time

Publication numberOT-2026-000055055 · never reused
Internal UUID01a0ae86-5e81-74cf-bed1-51501c38e713 · 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-2026-000055055
StatusPUBLIC

Content hashes

Canonical text6838fd0a6d78af3779e62d2b9b2eb8b3b118cd853e450b51583576e6e923cbf8
Markdown127d69428c9f86d4b951d83aab1a3b3624a55fc53591c017cce2a070a252e949
PDF
Publication pagec3caaace8be407d36216150df940aa106b490543ab11be3540b1063f0a414f02
Manifest67e278861123e1af389a195fd492a229c7429ae550baec007aa17c5cc463d78a

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
SignatureK6RXvswqhloQDUnfRyHOwPBqI2ljybBHXv/KbnG0sh2onfMc8s42IEUSn/L2dHXBTLPRnreyvaYV01utMbA7AQ==
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

2026-09-17T10:53:12.157783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055055
observed c3caaace8be407d36216150df940aa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:12.138448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055055/manifest.json
observed 67e278861123e1af389a195fd492a229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:12.120752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055055/publication.md
observed 127d69428c9f86d4b951d83aab1a3b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:12.102733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055055/publication.txt
observed 6838fd0a6d78af3779e62d2b9b2eb8b3...
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.