OpenTechnical

OT-2026-000058492

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000058492) never changes.

Identity and time

Publication numberOT-2026-000058492 · never reused
Internal UUID01a0ae88-f39b-770f-a3a4-081fdcfa2a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058492
StatusPUBLIC

Content hashes

Canonical text5d0da837c1b688c4bf7ca5a2b347a546e56e8732915dca16a3cc72f0ecec9e39
Markdown1b4d0d0053e0d5996359f1e3e00763923b373ff8e893539e9537ad98e9ac728e
PDF
Publication page557a040529b8d9a05522e3f3adc094791e54313868ddb06b3edca74f8d2813d7
Manifest40a2ebb889c10e67c806e6b53f1b5832701a845cd96bf4061551f38139af98b5

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
SignaturefVsDMD33uLjTMP1juMJez51lEQfB6ONgRvZhT0DaO7u6Q8LZC1KyY7jQcquELKJSgXOfJnEPzf/o1lBER3fUAw==
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...

Independent retrieval

2026-09-17T10:46:56.997540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058492
observed 557a040529b8d9a05522e3f3adc09479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.978502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058492/manifest.json
observed 40a2ebb889c10e67c806e6b53f1b5832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.958900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058492/publication.md
observed 1b4d0d0053e0d5996359f1e3e0076392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.940177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058492/publication.txt
observed 5d0da837c1b688c4bf7ca5a2b347a546...
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.