OpenTechnical

OT-2026-000017885

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000017885) never changes.

Identity and time

Publication numberOT-2026-000017885 · never reused
Internal UUID01a0ae6e-96fb-7d9c-ae01-11793be25c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017885
StatusPUBLIC

Content hashes

Canonical text245e9f997af0e88b2da4e64484e972efbb31072a82e3fbdd2480e0be36c3aba6
Markdown4fbd50dfbea5b6c6a1875924db58e90bfe5e097437383155f9f436018d6553a7
PDF
Publication page6c6e3348273c94ad5c8cbcfdf226e70885eb64a236b54e9dfa2a8dc462179504
Manifest8e6621b05094991f94f6c46ebd73f30cad9a51c26c751c83569067a90a1da98e

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
SignaturecgJ8JSss01Js2drnrGVV4/pRQr/Tmkxb0iSiyf2ZCygJM1QiZwtRFlYhKnlbFGzbsSs/Qfag533DjmkFPpCiCQ==
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

2026-09-17T12:01:52.398372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017885
observed 6c6e3348273c94ad5c8cbcfdf226e708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.382555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017885/manifest.json
observed 8e6621b05094991f94f6c46ebd73f30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.366888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017885/publication.md
observed 4fbd50dfbea5b6c6a1875924db58e90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.351633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017885/publication.txt
observed 245e9f997af0e88b2da4e64484e972ef...
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.