OpenTechnical

OT-2026-000067279

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000067279) never changes.

Identity and time

Publication numberOT-2026-000067279 · never reused
Internal UUID01a0ae8f-6bd6-735b-9887-56b210d737f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067279
StatusPUBLIC

Content hashes

Canonical text4b76a5a2eb4b8b826da4e3b400517da1369f9b78aba3c00c401772cca3de6537
Markdown60816ca0cf52007cf769ee20a72a1452fce3e69d332124891803e2c0a65a6b23
PDF
Publication pagef53ed62f8672701a3cbe9761a4aa1189290b8f7a8953085815265fd70455adb1
Manifest4f4c7b74cb114c98e20d5c8e1f4a136b5d042f12a1137fffd0411f309adbfe06

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
Signature4Trpx0bZWusbVciHEaFpcoX8ZpVCDm995pipnu5EvbfPBDt5JXHnGRfzWf/2ZE9cR2+vt/UZMT6k7PIrrJuWAQ==
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

2026-09-17T10:30:57.703734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067279
observed f53ed62f8672701a3cbe9761a4aa1189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.686855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067279/manifest.json
observed 4f4c7b74cb114c98e20d5c8e1f4a136b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.670721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067279/publication.md
observed 60816ca0cf52007cf769ee20a72a1452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.653996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067279/publication.txt
observed 4b76a5a2eb4b8b826da4e3b400517da1...
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.