OpenTechnical

OT-2026-000054355

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000054355) never changes.

Identity and time

Publication numberOT-2026-000054355 · never reused
Internal UUID01a0ae85-b3aa-7ebe-91bd-373e6e764b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054355
StatusPUBLIC

Content hashes

Canonical text2c64fe6a5dbdb2fcef659066aebee27325d0cabfa095aba213d19b8ec6b64355
Markdown3d1e2111beb3d4c1ef66e8d293f78e1b8bd5d64700b91ae002da0b659e669d73
PDF
Publication page2a35b39e5eb06d4e39bd7311b0403d076c22534c6c11d73ec0d042dccc927dc3
Manifest79b829d39d10b697931ee7c22cbefe378bd32d0045b72592dda28a3c91b1813c

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
Signaturej0uYZYU2ArU7O7Q69tSBq/V5h4kTG5JoRrS70srQ1gKM4tfry8hsWR69MSQD0WTP8r8l1r6VgoL2ZqObuH9zCQ==
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

2026-09-17T10:54:52.604392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054355
observed 2a35b39e5eb06d4e39bd7311b0403d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.585785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054355/manifest.json
observed 79b829d39d10b697931ee7c22cbefe37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.567303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054355/publication.md
observed 3d1e2111beb3d4c1ef66e8d293f78e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.545050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054355/publication.txt
observed 2c64fe6a5dbdb2fcef659066aebee273...
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.