OpenTechnical

OT-2026-000014951

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000014951) never changes.

Identity and time

Publication numberOT-2026-000014951 · never reused
Internal UUID01a0ae6d-d095-7b8e-aa65-8bd7d7b8cd39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014951
StatusPUBLIC

Content hashes

Canonical texta924a126a045b06f00d8294290eb1a4dfe2a25d4d8305abb0267f373df7427ae
Markdownb8089831456638bf96c729de6f1eb55737c0502a0082b01f5eebd9d56c448d35
PDF
Publication page2f2fa3ad85c0b70b808b4d9e677b4cf7aa110b30926882a11bfa053a8c8bc37c
Manifestad5fe32013861a8baece47e320b0f8cb98f77df34a9421293e4051d722134845

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
SignatureGNlRYPT78Mv3vSyEGmv19kQNdTe7tIovvb5KqTvV99pMbWtquL1w4upZeGrthUcXmfZ5zRGzuoe4LylJa8NOAQ==
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

2026-09-17T12:42:23.341789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951
observed 2f2fa3ad85c0b70b808b4d9e677b4cf7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:23.218330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/manifest.json
observed ad5fe32013861a8baece47e320b0f8cb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:22.990040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/publication.md
observed b8089831456638bf96c729de6f1eb557...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:22.771139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/publication.txt
observed a924a126a045b06f00d8294290eb1a4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.097927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951
observed 2f2fa3ad85c0b70b808b4d9e677b4cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.079980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/manifest.json
observed ad5fe32013861a8baece47e320b0f8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.059854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/publication.md
observed b8089831456638bf96c729de6f1eb557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.039618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014951/publication.txt
observed a924a126a045b06f00d8294290eb1a4d...
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.