OpenTechnical

OT-2026-000053875

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000053875) never changes.

Identity and time

Publication numberOT-2026-000053875 · never reused
Internal UUID01a0ae85-735e-77b1-8dcf-ae8bbf62c85e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053875
StatusPUBLIC

Content hashes

Canonical textb809847699b44e00c083b32cc64b97a4114baafcc3270bf9016dd7521c3e73b6
Markdownb7cea3ea85bd86ec4cc1465ea5ef6e7b677ad1f40c7ee7719200d5f09a1d9b04
PDF
Publication page4710510688780303dcd333f959d619251f65d230c3927cd03bd3259a05ecf595
Manifest5f83353f3ac30af855eb3fdda856800f2ec7fae07cd78d95a4efaaa0a4769de1

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
SignaturellmcsKfZxi89wmal8tpDKTb1B7RtDvEgxPchMTdJhz0+XH/vKnNL3duhiNCH47JcCsssZnoBp7x7l2kdxjY+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:40.560261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053875
observed 4710510688780303dcd333f959d61925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:40.535547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053875/manifest.json
observed 5f83353f3ac30af855eb3fdda856800f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:40.514894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053875/publication.md
observed b7cea3ea85bd86ec4cc1465ea5ef6e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:40.492934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053875/publication.txt
observed b809847699b44e00c083b32cc64b97a4...
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.