OpenTechnical

OT-2026-000079645

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, sustained 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-2026-000079645) never changes.

Identity and time

Publication numberOT-2026-000079645 · never reused
Internal UUID01a0ae96-0b92-7947-abfb-175aaee35a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079645
StatusPUBLIC

Content hashes

Canonical text6c5cca37b9c1a9e97fc79ee188ef6ceb96973801aeb7caf42e13d0cdffd0a94b
Markdownb428adef7235c296171d5330a271829510c3fd254118091d89cd281a4bb52352
PDF
Publication pageb5d51fd23d42c663215fef039772888ac63099e95e7e0ced0bb3842aa4d30bc9
Manifest80c718dfb7f2ed4b93acb6a8edea6418669e171a62660c07d2501d1101e5857c

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
SignatureR/lMCqENQWf+pPAH9HZ6ibNidE11yPLCFvWz2G7cQahHwaSskz0YneLzwboJE4pubC9sfDSWWTCCuovI+MRXBQ==
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

2026-09-17T10:05:18.716183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079645
observed b5d51fd23d42c663215fef039772888a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.698848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079645/manifest.json
observed 80c718dfb7f2ed4b93acb6a8edea6418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.681019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079645/publication.md
observed b428adef7235c296171d5330a2718295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.663500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079645/publication.txt
observed 6c5cca37b9c1a9e97fc79ee188ef6ceb...
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.