OpenTechnical

OT-2026-000055767

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000055767) never changes.

Identity and time

Publication numberOT-2026-000055767 · never reused
Internal UUID01a0ae87-09cb-7397-ad52-8caa3e5e0786 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055767
StatusPUBLIC

Content hashes

Canonical text37791f69706520b2bde52ff799a0af83ca7eeea837027d00a41c3ace6f4837c7
Markdown8baaaa3348748a5441a88aefba4b03465cab0bbfe495702fb9903b99c027ee24
PDF
Publication pageed5e953d47e381403a250ff0bef9e4c4725379472fea75f06825297b7c3bda6d
Manifestc38c58ee2327e72a9a1e0fca34bd26d1bf4f7617bc41cea242cb7c044edd7720

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
SignaturebklQ+NmkkOI2KiHIg7xQm2UdpfAES+NGHz7mrTNUJLP1+/UW0M6vmwGlsMBd2tPc0QRs6a92RdUL4YQIVhhkBQ==
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

2026-09-17T10:51:07.349635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055767
observed ed5e953d47e381403a250ff0bef9e4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.332492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055767/manifest.json
observed c38c58ee2327e72a9a1e0fca34bd26d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.314692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055767/publication.md
observed 8baaaa3348748a5441a88aefba4b0346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.296843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055767/publication.txt
observed 37791f69706520b2bde52ff799a0af83...
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.