OpenTechnical

OT-2026-000050678

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented 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-2026-000050678) never changes.

Identity and time

Publication numberOT-2026-000050678 · never reused
Internal UUID01a0ae82-c7b0-7ce3-b4bb-8f930f420d30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050678
StatusPUBLIC

Content hashes

Canonical texta472bd4508e1ba384b837af4eb759805d21001cc05a7bc11e1caf9f269f09aec
Markdown905c98d15a47e65efe11b05fbc443a927dfa92601d6ee9f231c88c2f9ab093ea
PDF
Publication paged7a649fbda2206061f597f1151ab4603559a36252dca743a9779bfe0479334d1
Manifestcb537fda5e1fe29412bc3ff1ecf210b8f0bdffe36e57ec728e644574e2981797

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
SignatureJZfwYmTq60BlK+8VyT/RQCcWsrdu+EVYaHB7s0TfFY7DkntKM9nEivpjMQHjZzOV3kQP83PONvEY/nY5vr57Bw==
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

2026-09-17T10:59:23.096646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050678
observed d7a649fbda2206061f597f1151ab4603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.075742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050678/manifest.json
observed cb537fda5e1fe29412bc3ff1ecf210b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.054186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050678/publication.md
observed 905c98d15a47e65efe11b05fbc443a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.034741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050678/publication.txt
observed a472bd4508e1ba384b837af4eb759805...
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.