OpenTechnical

OT-2026-000059796

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000059796) never changes.

Identity and time

Publication numberOT-2026-000059796 · never reused
Internal UUID01a0ae89-ec25-7bd9-a8f7-d2fb3b8eeda9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059796
StatusPUBLIC

Content hashes

Canonical text62a7ed219ecc204aa04d9c8069d10e7e2cd4792defd85337dac45a966b56f647
Markdown0c470b7640f47ea63e622a9d851d85599de115df1b897ca8c0bea1a7c386a940
PDF
Publication page5469f9244a5a57a120f65960a715e3a419e0b5b6aa4b32fe37f8814bb8040a2c
Manifest6d9d940faefcd0229d276c383d79e029b3e65d5ea078e95bb517dc75e392134d

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
SignatureU4S7+B9Xa22FJ5tkrw72RAqSvJBbGaLbNjHPDja5HWz169GvQQL0qJ95uFLptAMIN+9ymED6yufYev8b4mmvBg==
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...

Independent retrieval

2026-09-17T10:44:31.833458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059796
observed 5469f9244a5a57a120f65960a715e3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.815827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059796/manifest.json
observed 6d9d940faefcd0229d276c383d79e029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.797992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059796/publication.md
observed 0c470b7640f47ea63e622a9d851d8559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.778350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059796/publication.txt
observed 62a7ed219ecc204aa04d9c8069d10e7e...
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.