OpenTechnical

OT-2026-000065107

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000065107) never changes.

Identity and time

Publication numberOT-2026-000065107 · never reused
Internal UUID01a0ae8e-1df9-714b-b48c-fda936006672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065107
StatusPUBLIC

Content hashes

Canonical text8d0df38d87dea2c37d691605417a809b348a80a7a4e66897d1ad120cf267a396
Markdown396ba7bf00e22e5ae84004c6890ab23784bf3d5f8956f064e85613f92ae1bd91
PDF
Publication pageab2dce4c2b2532bcdea02ddc2d2c2a721b124ab46b5f18d98fe98fb17e43d5bd
Manifest51ea233c509dfd43c0df19f2fc3450d3fe78e22f78b052a963a7395795935827

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
SignatureBXIoKBTmiaNlHlQGokfZ4k2fAQZ75YueF+mjmiNri+/EQgUb1p01hUAhauvaWHjG2c9LCN7xgSs9zAOS90y0AQ==
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

2026-09-17T10:34:55.869436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065107
observed ab2dce4c2b2532bcdea02ddc2d2c2a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:55.851843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065107/manifest.json
observed 51ea233c509dfd43c0df19f2fc3450d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:55.833662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065107/publication.md
observed 396ba7bf00e22e5ae84004c6890ab237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:55.815931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065107/publication.txt
observed 8d0df38d87dea2c37d691605417a809b...
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.