OpenTechnical

OT-2026-000034999

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000034999) never changes.

Identity and time

Publication numberOT-2026-000034999 · never reused
Internal UUID01a0ae76-6a1c-74e1-9f13-5368508ca231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034999
StatusPUBLIC

Content hashes

Canonical text41ab86dfafc041c4f15f3c1f411fc77b1db2a90e72dd498aaffcfb08f7f5ebc8
Markdown204e49457e77923bae510cb4409737526e76eeb89571a9a51e50c2e9b44e3c6c
PDF
Publication pageb5a81d7ec9c050c6baa54785a0ece0e97ee2d572616176a3e349490ff949beac
Manifestdda879f7b33a0280964cdb44b01b5cee3c6d2d9a581ce60f7c38819d6455066c

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
SignatureBmdIOL7t1RQEd0FyRu841dm6szWK7lVO8ZveEi92SEcjfJrDqdvxIMOog2O2kVDByKQiRLWf88GqEKo74X6KCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:27:56.425763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034999
observed b5a81d7ec9c050c6baa54785a0ece0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:56.407029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034999/manifest.json
observed dda879f7b33a0280964cdb44b01b5cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:56.390079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034999/publication.md
observed 204e49457e77923bae510cb440973752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:56.373675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034999/publication.txt
observed 41ab86dfafc041c4f15f3c1f411fc77b...
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.