OpenTechnical

OT-2026-000071061

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000071061) never changes.

Identity and time

Publication numberOT-2026-000071061 · never reused
Internal UUID01a0ae91-8c2e-7594-8116-f8ec7efc07ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071061
StatusPUBLIC

Content hashes

Canonical textf8e3f31e861903f768170e7fddd4a92662409e5fa8f1525b06659bd5ae2901ed
Markdownb7156c2a96e487c04531f8c48ea4f56d4a17498caec5c6c568ca867c7c17e936
PDF
Publication pagef9ebe6732bf9669e59b82e635d01aa3e9b815016c2330f00377affbaadccfcc2
Manifestabed47eb9518209fd15a8eaa607ab5b444e153338b0f7ca7f030b38e7e1211a2

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
Signature9Pit+eLt3eHT5lfHNGYhYKjc7CbEf1fnpqU4mV98VoqEiJARqhlAJ8brHTJ51rHuUj8qQonCxL0GLWGKeDCtAQ==
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

2026-09-17T10:25:55.189228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071061
observed f9ebe6732bf9669e59b82e635d01aa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.172784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071061/manifest.json
observed abed47eb9518209fd15a8eaa607ab5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.155145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071061/publication.md
observed b7156c2a96e487c04531f8c48ea4f56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.138916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071061/publication.txt
observed f8e3f31e861903f768170e7fddd4a926...
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.