OpenTechnical

OT-2026-000035443

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000035443) never changes.

Identity and time

Publication numberOT-2026-000035443 · never reused
Internal UUID01a0ae76-6a20-7e36-b40f-490dda373f01 · 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-2026-000035443
StatusPUBLIC

Content hashes

Canonical text4a6c0d74363aa9eeeb3b8c3f79b5e0207220552a422d1168a5b14a202e332e71
Markdown2bff44c599abd80aacf277088deac400240ff99835eb6a312feff87375d2ee4f
PDF
Publication pagef2a2eaf30c330ac8a75615788ee18181a0b0d40fdeba36afa7c88c4003340b3a
Manifestc635cf3c91be262b32e09eb0cc5986b42ba39e7a410e49d5919ea1fcf40c3432

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
Signaturew7BWW7l5aBwSRGUiHLAlnxMbj151LpMBqUxdkKao5468Y9f+4FvUKmVo+pSUmT+l+4poOexvVL5qdJtJOtNTBw==
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

2026-09-17T11:28:45.615402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035443
observed f2a2eaf30c330ac8a75615788ee18181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.597025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035443/manifest.json
observed c635cf3c91be262b32e09eb0cc5986b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.577769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035443/publication.md
observed 2bff44c599abd80aacf277088deac400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.558511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035443/publication.txt
observed 4a6c0d74363aa9eeeb3b8c3f79b5e020...
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.