OpenTechnical

OT-2026-000023807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000023807) never changes.

Identity and time

Publication numberOT-2026-000023807 · never reused
Internal UUID01a0ae70-aed5-7933-b50b-69bfd18059ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023807
StatusPUBLIC

Content hashes

Canonical textb68278de3ead124b4fb07ee79f8d61034ecaa7b6833159fd05086d90a1c97ec0
Markdown6677d22bc0cbf4cb9757837d827279ed3e6751a4c1717bfed12971b34e265b0a
PDF
Publication page021ced0cf8de8276b9cbadeee17324999065350aa630245c19cfdadcc91d041b
Manifest375e129bf7ad363f0c5d21f790f2c74d0156e4ae6e69785b6e195e9e825a3578

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
SignatureiHDdKOGoQcbbzESurH9NEldYqRi1DpJdgnS35AM0amf1JPdYxEmLI9HkJtbfOFefKyEEg/RgUWNSF+2jwPnWDA==
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

2026-09-17T11:50:17.226955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023807
observed 021ced0cf8de8276b9cbadeee1732499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.207485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023807/manifest.json
observed 375e129bf7ad363f0c5d21f790f2c74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.188514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023807/publication.md
observed 6677d22bc0cbf4cb9757837d827279ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.169707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023807/publication.txt
observed b68278de3ead124b4fb07ee79f8d6103...
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.