OpenTechnical

OT-2026-000027631

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pulsed blow-off before set-down

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-2026-000027631) never changes.

Identity and time

Publication numberOT-2026-000027631 · never reused
Internal UUID01a0ae72-6999-74df-8974-7a8f10bd06d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027631
StatusPUBLIC

Content hashes

Canonical text0da424e4952711779d28b594323e223c05b3baf723a76c8e5c218ee5133176f1
Markdowna6f1d2ee2f30a7a9dffa489d03c84900114bdccf5bb789a371d8306a75cab08c
PDF
Publication page9a0726d34f0b7ebab902a8597c64adc0ec289db0090b0addc6c80cfcf1f97465
Manifestc7a0c298dbbd11d71f33c0f35d92e261d3734af9cc7652990dfdadf5d5f376b3

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
Signaturem0hezHxHCUZVVuNKG3TQsCsUgoh/tMQE2XzXMbyGaEM38SR35/mIbSW3gGxceZzZOYBBmmsIKtldYkSulDKDCQ==
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

2026-09-17T11:43:09.255981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027631
observed 9a0726d34f0b7ebab902a8597c64adc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.239006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027631/manifest.json
observed c7a0c298dbbd11d71f33c0f35d92e261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.222660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027631/publication.md
observed a6f1d2ee2f30a7a9dffa489d03c84900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.206303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027631/publication.txt
observed 0da424e4952711779d28b594323e223c...
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.