OpenTechnical

OT-2026-000020516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000020516) never changes.

Identity and time

Publication numberOT-2026-000020516 · never reused
Internal UUID01a0ae6f-437c-7a4f-9b11-925500880ffc · 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-2026-000020516
StatusPUBLIC

Content hashes

Canonical textd6197cf2a61235745d10547d6f83c26afd6a5b82b21762161392b130677ab3fc
Markdown338ec045b788514c5df52621ed55d4ec236abcd114af6a50fd80caf609facdb1
PDF
Publication pagedecf65c4e0fb5c4737fe098e64fea878297bc6a3e69d6959dbf635a3d8dbb050
Manifeste7bc3b9fe8f3d7910eb63e8e1d5007b209dd5ba6f79a2967a64b6f17b88c8319

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
SignatureFtpjJ1u0P00oc56WIArsKw0HUodkZTUW0F5c2slpXC0hUEx64RcRfdC+Xnypv9jj/0gjoExfQ1nbUHRMrVeuDA==
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

2026-09-17T12:00:29.014107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516
observed decf65c4e0fb5c4737fe098e64fea878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.993664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/manifest.json
observed e7bc3b9fe8f3d7910eb63e8e1d5007b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.973314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/publication.md
observed 338ec045b788514c5df52621ed55d4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.954008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/publication.txt
observed d6197cf2a61235745d10547d6f83c26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:32.018808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516
observed decf65c4e0fb5c4737fe098e64fea878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.997859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/manifest.json
observed e7bc3b9fe8f3d7910eb63e8e1d5007b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.978109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/publication.md
observed 338ec045b788514c5df52621ed55d4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.956523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020516/publication.txt
observed d6197cf2a61235745d10547d6f83c26a...
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.