OpenTechnical

OT-2026-000019678

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000019678) never changes.

Identity and time

Publication numberOT-2026-000019678 · never reused
Internal UUID01a0ae6f-1fb3-7584-bd99-254056de2661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019678
StatusPUBLIC

Content hashes

Canonical text3bda58ccc45840685f1922e1266333c660b3c045d700df4e45a592cdbd6db5c1
Markdown908140cfcd1c1ddeb7d7feae198f23b46ddb05c90cd256757a443ae409c0b1f5
PDF
Publication page5a24fdacd417163f9ddf8235816f2da6591faf70a4564b6df9dbc444c8f21fef
Manifest54939c61bd8284af39ef6d97f9fd894347e0fbbcfbddbc18b197f3fe41c857d9

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
Signaturegy9eUfbG9UEIOKVB1VuE/u/HJznbv/tbLtrMkLJKMjRqW7iQGW2V8itawpY6T43SxvtaVciFVX20I9dLQvtgDw==
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

2026-09-17T11:57:44.956391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019678
observed 5a24fdacd417163f9ddf8235816f2da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.938191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019678/manifest.json
observed 54939c61bd8284af39ef6d97f9fd8943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.920165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019678/publication.md
observed 908140cfcd1c1ddeb7d7feae198f23b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.903077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019678/publication.txt
observed 3bda58ccc45840685f1922e1266333c6...
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.