OpenTechnical

OT-2026-000008233

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, vented before 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-2026-000008233) never changes.

Identity and time

Publication numberOT-2026-000008233 · never reused
Internal UUID01a0ae6a-908d-7612-88c3-eb89d1054e55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008233
StatusPUBLIC

Content hashes

Canonical textaa8cf0731dc917b5e152fb6691cacb95ba5ffb1b1a3eac5313fd9e400cf2c341
Markdown6767218ca8ae40d4efa04b95bb5b3c2e376a621994b4b8b9382548488969005c
PDF
Publication page3760f8e06529478620749fec6bfaf658b248f242328ed7729b17361db37e8826
Manifest50bad6874149118b40ef13fb993444fa1bc85cbbb9a64e175cded01da514a015

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
SignaturegyLWE3FvWeb6x2qyLGlkM+X7uLUygwLru5cERZqDHHndFCHRC/AcVvfHYMzdzaoa3pWlqRlxdpf+Gy8gODMFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.321914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008233
observed 3760f8e06529478620749fec6bfaf658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.304905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008233/manifest.json
observed 50bad6874149118b40ef13fb993444fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.286111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008233/publication.md
observed 6767218ca8ae40d4efa04b95bb5b3c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.269099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008233/publication.txt
observed aa8cf0731dc917b5e152fb6691cacb95...
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.