OpenTechnical

OT-2026-000034904

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000034904) never changes.

Identity and time

Publication numberOT-2026-000034904 · never reused
Internal UUID01a0ae76-1ed3-73f3-bb7a-f457f5e57104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034904
StatusPUBLIC

Content hashes

Canonical text51798ca6924d559bcd25e42152929345880899d64bbbb77133d2b253f812cb9f
Markdown4942cc6ef5e0b446b9de646cc3ffb46dd9756c8cf8f5e6fdbc07094437ba7127
PDF
Publication page1bc5f61d638b69e318393034bd0e73a9a98e82c124c73d4bd970a1644497849b
Manifest5355f8f6fbfc858ac5cf8f004f2f24e2fbe6e26c7b1aa8fc058ba51a719fc4c6

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
SignatureqleuBfiI2TkzeoSQgdibWvTURsnr+2fijEqHFtVgCCVrOY/LBn4l8MRoCGoI0tO2Cd7MG/6vriFGXtjBMxFRBw==
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

2026-09-17T11:30:33.962811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904
observed 1bc5f61d638b69e318393034bd0e73a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.945851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/manifest.json
observed 5355f8f6fbfc858ac5cf8f004f2f24e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.927758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/publication.md
observed 4942cc6ef5e0b446b9de646cc3ffb46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.912042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/publication.txt
observed 51798ca6924d559bcd25e42152929345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.826558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904
observed 1bc5f61d638b69e318393034bd0e73a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.808012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/manifest.json
observed 5355f8f6fbfc858ac5cf8f004f2f24e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.784970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/publication.md
observed 4942cc6ef5e0b446b9de646cc3ffb46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.766427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034904/publication.txt
observed 51798ca6924d559bcd25e42152929345...
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.