OpenTechnical

OT-2026-000027735

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000027735) never changes.

Identity and time

Publication numberOT-2026-000027735 · never reused
Internal UUID01a0ae72-699a-7caa-baf5-ce47c9b0b6b2 · 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-2026-000027735
StatusPUBLIC

Content hashes

Canonical textbd1aae6588458a4bc488feb385fe2135fa3e0d29df724c912162c90a7ecf82a8
Markdownfeedc6f10fcaa33e54845c98993f92fb5484986674d8ba37b96c78ec45f940e1
PDF
Publication pagebfd46e60936e9cd0fc5417a9f56843642074c069b1be3bd60d5ebc14b52e894e
Manifest30d6398f64f2a7f093dfca49432f125cdace96c05c7dc752180ed967077a2727

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
SignatureaOL00Jdyg45+BJS5DnrMDjIga2LNDozLzqvrEQcSZj72q0URRNlNCWXMElOd81vFjmjmvzHnFzyUEIaYmVKbAQ==
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

2026-09-17T11:43:17.655136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027735
observed bfd46e60936e9cd0fc5417a9f5684364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.637355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027735/manifest.json
observed 30d6398f64f2a7f093dfca49432f125c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.618692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027735/publication.md
observed feedc6f10fcaa33e54845c98993f92fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.599779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027735/publication.txt
observed bd1aae6588458a4bc488feb385fe2135...
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.