OpenTechnical

OT-2026-000056885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000056885) never changes.

Identity and time

Publication numberOT-2026-000056885 · never reused
Internal UUID01a0ae87-7af8-74d5-b099-7cc230913abd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056885
StatusPUBLIC

Content hashes

Canonical textee97068184e12acdf3cf1b634c6c0f5c643e52c71ca81e717fac318f596350dd
Markdown546bcc8784fa4c60c4ffa2821590ac63770e5c65fc7b1af438e5371f6105d551
PDF
Publication page566c289fd284abe2239660eaee2d5ae055f3c1f89f4e1f43af2daa8c7fc4c0df
Manifest6d5ce356dff2aac3576d46ac97bfa251f80a2179d4c67bf2936a6e33679b18fe

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
Signature0s1BAcxoUzPycPo32AQWRhwBoScGwCCs4GDv4EdIGWTrWbKIrv30z0ad0pixevTNUsgccmAnpyOBwQVTaoNQBw==
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

2026-09-17T10:50:25.217377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056885
observed 566c289fd284abe2239660eaee2d5ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.199805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056885/manifest.json
observed 6d5ce356dff2aac3576d46ac97bfa251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.180706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056885/publication.md
observed 546bcc8784fa4c60c4ffa2821590ac63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.161371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056885/publication.txt
observed ee97068184e12acdf3cf1b634c6c0f5c...
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.