OpenTechnical

OT-2026-000054791

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000054791) never changes.

Identity and time

Publication numberOT-2026-000054791 · never reused
Internal UUID01a0ae86-1285-70f2-844f-698a6bc950d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054791
StatusPUBLIC

Content hashes

Canonical textcba9043447648bd1e5d740a7798a888eea0d5f6c50c7037425c46512767e7caf
Markdownba8ebc24639fdf991fc5bb81c6fec713238d75a43184ecc209192dedf87951e7
PDF
Publication page132bfb51d0e7009484f60029afc09cb9c71d4aed6659aa32c370c15ebdd5940a
Manifest3d22b7755f8251b05d476e2eadcbbd30728e8dcb538d8fdc60a777d6e75b770a

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
SignaturehFiHaW8jkQiGtpn48TiVTOfSkrfsramihI6rdCv5Ev5m8bi+fuz5Wr+y/rlVfPWRMqAg6nfl16i5R3pz1PYlCQ==
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

2026-09-17T10:53:59.426942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054791
observed 132bfb51d0e7009484f60029afc09cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.409409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054791/manifest.json
observed 3d22b7755f8251b05d476e2eadcbbd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.392527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054791/publication.md
observed ba8ebc24639fdf991fc5bb81c6fec713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.373566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054791/publication.txt
observed cba9043447648bd1e5d740a7798a888e...
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.