OpenTechnical

OT-2026-000020343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000020343) never changes.

Identity and time

Publication numberOT-2026-000020343 · never reused
Internal UUID01a0ae6f-437a-7130-b5e2-a5489d3f5f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020343
StatusPUBLIC

Content hashes

Canonical text415aba6835eeb5264b335e539845ef8f2adacb37d395b97107e5bc7590da62df
Markdown120bb102b33762412f75e2b1eb6db02870ff12ef06016cebea3179b8bd56a452
PDF
Publication page0c3a7c32155d152bb9a768aec7a2fad51d27fbaf9e988301c6bc1afeffbed1ee
Manifestc93e2c5ff0141b5daa49609608d278cba05eee41114528a4f16073f90996d476

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
SignatureOaczGjaZphfAbm98nTD67lu4AxP1xYc7MZANIMJerOELHRckxLU5vpWiZ6hJEL1MuF56NisKE9QU3HaDeyLHAg==
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

2026-09-17T12:00:07.636621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343
observed 0c3a7c32155d152bb9a768aec7a2fad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.611725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/manifest.json
observed c93e2c5ff0141b5daa49609608d278cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.583068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/publication.md
observed 120bb102b33762412f75e2b1eb6db028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.563231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/publication.txt
observed 415aba6835eeb5264b335e539845ef8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:18.009266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343
observed 0c3a7c32155d152bb9a768aec7a2fad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.990565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/manifest.json
observed c93e2c5ff0141b5daa49609608d278cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.969867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/publication.md
observed 120bb102b33762412f75e2b1eb6db028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.948244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020343/publication.txt
observed 415aba6835eeb5264b335e539845ef8f...
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.