OpenTechnical

OT-2026-000047091

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000047091) never changes.

Identity and time

Publication numberOT-2026-000047091 · never reused
Internal UUID01a0ae7e-d0f8-7aa7-937a-dbdecd6d2661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047091
StatusPUBLIC

Content hashes

Canonical text55385e742651cd4c796b2e9fcd6aac1dbf8137470e98d695a5c8f7981640d219
Markdown9d0e5d36ee6e0021385239f308b4aa11c138356b85f535cd3a8673afc874f6a4
PDF
Publication page475363aaaf7ce3a8e684a79fe6b0e1b34ec880fdf30dc398e45ac59ee0ca2a17
Manifestc6b7187b1ea894e59d603725539968a9aa94efde3f8a201e11f1049c2400857c

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
Signaturev8MjkvCbTNrQ276R0sXfaRP/+9/YY7HMBIMOhO52/8fekzd0j8aJJUpqJ5f28r+PRv5etvckcuZI0dMaJfmkDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:24.540951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091
observed 475363aaaf7ce3a8e684a79fe6b0e1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.521265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/manifest.json
observed c6b7187b1ea894e59d603725539968a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.493752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/publication.md
observed 9d0e5d36ee6e0021385239f308b4aa11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.466819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/publication.txt
observed 55385e742651cd4c796b2e9fcd6aac1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.677845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091
observed 475363aaaf7ce3a8e684a79fe6b0e1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.658773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/manifest.json
observed c6b7187b1ea894e59d603725539968a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.638455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/publication.md
observed 9d0e5d36ee6e0021385239f308b4aa11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.619165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047091/publication.txt
observed 55385e742651cd4c796b2e9fcd6aac1d...
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.