OpenTechnical

OT-2026-000080231

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000080231) never changes.

Identity and time

Publication numberOT-2026-000080231 · never reused
Internal UUID01a0ae96-7e76-714b-a9dc-222bc605bf2e · 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-2026-000080231
StatusPUBLIC

Content hashes

Canonical text3de2e6ddf2554c0450ab89605ac9bda2216352450e6c324b8a833be05d329fe3
Markdownf4831320f840350d4c2d2732a17c8f02aab48fdba7543865ce6c811a93fa8c08
PDF
Publication pagec099c0255e62863d5f4a9db2c706db5e10af8be10e9c0324c13adbc0881adb3f
Manifest22fd24561b24d7fddaf2d8bb63022051fd7e0614484c9ef5baf115c85e669d3b

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
SignaturesIJk6b0YilNN9IwL1McrsArbU3sa1tzFQErtcRpkxJ2lhXpLDl4eXjtsND66ZuXvg0Wewu8iahSNKENOH4qXAw==
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

2026-09-17T10:02:41.256620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080231
observed c099c0255e62863d5f4a9db2c706db5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.240111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080231/manifest.json
observed 22fd24561b24d7fddaf2d8bb63022051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.216850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080231/publication.md
observed f4831320f840350d4c2d2732a17c8f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.199614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080231/publication.txt
observed 3de2e6ddf2554c0450ab89605ac9bda2...
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.