OpenTechnical

OT-2026-000080603

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000080603) never changes.

Identity and time

Publication numberOT-2026-000080603 · never reused
Internal UUID01a0ae96-7e79-7aaa-b711-053f9f46af93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080603
StatusPUBLIC

Content hashes

Canonical textb61894fbb02b77f4c77a7aeb47e3d711721b5f312cd003ff14f3b06022463f77
Markdown6918205aeca71c2a2d57c9e637f8364d76cd91c6c08af3166b33295259a0f26d
PDF
Publication page5451221e2b61582c4ff5c9a37af69b4c57da4f1e9559963f7e60ae0ff9d609bc
Manifest34e9cf7d3becf058208c6d1d4f9b5662551755807ff727e88077837ea523ed87

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
Signaturez2k91uu/rFtvd4Rboon+fx9R2seO3Hypn7sZkfIT+TG1WD60OBJlYW7BxxZXBA3FMpBhTrWAFl0UFBPm8iZECA==
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

2026-09-17T10:03:14.417364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080603
observed 5451221e2b61582c4ff5c9a37af69b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.397668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080603/manifest.json
observed 34e9cf7d3becf058208c6d1d4f9b5662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.379395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080603/publication.md
observed 6918205aeca71c2a2d57c9e637f8364d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.362003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080603/publication.txt
observed b61894fbb02b77f4c77a7aeb47e3d711...
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.