OpenTechnical

OT-2026-000064991

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000064991) never changes.

Identity and time

Publication numberOT-2026-000064991 · never reused
Internal UUID01a0ae8d-debe-75d3-a51a-c501c0c722d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064991
StatusPUBLIC

Content hashes

Canonical text8fe2d9dc0c63746c8fce55f4723d91f078389797d73e55a82fad21ea49546b35
Markdown172f747c20ac4e5c99286d24305a2a004595679345ba70dc897fbaf79cb3a787
PDF
Publication paged020bc5262486917687938bccf32f729f5828f3632d16e14df5063a681ac9912
Manifest54b51215ecde2795951a827acafa48b20df1ee488511b70e84d3248c779e43cf

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
SignaturemzJiJdSoar6awBYJ5mPPU2Vm/br9iZOVxE7HtsAvGmf75hlr8o/cUEXaRyxt9d8arCbN1qCWQHsc4HxGIuJCBw==
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

2026-09-17T10:35:56.761662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064991
observed d020bc5262486917687938bccf32f729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.740406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064991/manifest.json
observed 54b51215ecde2795951a827acafa48b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.720037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064991/publication.md
observed 172f747c20ac4e5c99286d24305a2a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.700758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064991/publication.txt
observed 8fe2d9dc0c63746c8fce55f4723d91f0...
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.