OpenTechnical

OT-2026-000014427

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000014427) never changes.

Identity and time

Publication numberOT-2026-000014427 · never reused
Internal UUID01a0ae6d-b27a-7678-afeb-98df3e0424fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014427
StatusPUBLIC

Content hashes

Canonical texta92cc9380f8663ca4363a2c873e1957a7be8959169b2f62c90cf0c8596979c3d
Markdowne8de1f59e1b290bb44d2debc51479c1a016aad6ada055eac8b294238db8f4234
PDF
Publication page4f0cba6b8b24dc3a15e23fb136d03776a774e104bb5da50817571006861cc628
Manifestb6a2d7bcd47e91f6cd7815a333642032e45fd3bf5bd754a04be2d1cb2a97a9ef

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
Signature7qXwr3A/BaADZMDvbS0F96w0T43gSXt+GTYbvVuNOgOLTu+KtL3MXtx1AorxdtwxfnsiDEUNvRFJTbGYOtXeDw==
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

2026-09-17T12:10:11.745612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427
observed 4f0cba6b8b24dc3a15e23fb136d03776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.728001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/manifest.json
observed b6a2d7bcd47e91f6cd7815a333642032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.709257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/publication.md
observed e8de1f59e1b290bb44d2debc51479c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.691709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/publication.txt
observed a92cc9380f8663ca4363a2c873e1957a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.612964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427
observed 4f0cba6b8b24dc3a15e23fb136d03776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.591871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/manifest.json
observed b6a2d7bcd47e91f6cd7815a333642032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.573531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/publication.md
observed e8de1f59e1b290bb44d2debc51479c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.555692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014427/publication.txt
observed a92cc9380f8663ca4363a2c873e1957a...
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.