OpenTechnical

OT-2026-000070201

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000070201) never changes.

Identity and time

Publication numberOT-2026-000070201 · never reused
Internal UUID01a0ae91-1862-7ac4-9770-fe850e955c00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070201
StatusPUBLIC

Content hashes

Canonical text182e1e281c6e0b4baccc3446e441433468bd5e07071f6ae9d2756ee7a0387d92
Markdown4de7882c262d227c479d5db00d523a65224ca7d006d2952cf04bdf21d905f0e2
PDF
Publication paged2d39f0e00949142f78992bb10cff6ba4518583ae0a4ca4d23e8683ef3a489c9
Manifestd622442cd2c92c31c290bf3fb6ce6629e2b657428d9600d10bf0cfec6dff3c32

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
Signature9hoWjTGNSz7xB10FgqrV5mEhCYG7zQwbcoW46xQXqNBu1TUyAabxQDvZacYARSYhqw8wtKWVmv8YypAJ8WTZBA==
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

2026-09-17T10:27:15.418969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070201
observed d2d39f0e00949142f78992bb10cff6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.400234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070201/manifest.json
observed d622442cd2c92c31c290bf3fb6ce6629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.381564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070201/publication.md
observed 4de7882c262d227c479d5db00d523a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.364111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070201/publication.txt
observed 182e1e281c6e0b4baccc3446e4414334...
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.