OpenTechnical

OT-2026-000064495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000064495) never changes.

Identity and time

Publication numberOT-2026-000064495 · never reused
Internal UUID01a0ae8d-a461-7042-b035-275a3c664a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064495
StatusPUBLIC

Content hashes

Canonical texte9bd3bb4e189d69c4d0b3c863be38df80e029a8d87e42af16897796b42c32e4d
Markdown3322e3b806b9c590493b8e826efa38c625da8bec4079595cac19adb12b0651d0
PDF
Publication pagef006ba481b8edb3cfd7dfe8a49bfe82cad884e098a63c23d72a2a64e4203095e
Manifest5039147c565247787b9aa1805b73182fe9a10c643f20fa692de3596086accfa5

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
SignatureEESsNnj/Kz2bpMrmd/LNWU4a9z+w+1WEsOXYsTqh2Ov3ZbpSP3STqXod8CvVU4TjaW6h8WoDkMZ7LCM9X8OyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:42.019975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064495
observed f006ba481b8edb3cfd7dfe8a49bfe82c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.001303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064495/manifest.json
observed 5039147c565247787b9aa1805b73182f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.983167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064495/publication.md
observed 3322e3b806b9c590493b8e826efa38c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.963900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064495/publication.txt
observed e9bd3bb4e189d69c4d0b3c863be38df8...
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.