OpenTechnical

OT-2026-000072627

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000072627) never changes.

Identity and time

Publication numberOT-2026-000072627 · never reused
Internal UUID01a0ae92-89d9-72d3-a4c3-8aac05e45d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072627
StatusPUBLIC

Content hashes

Canonical text0884ff0f2ffd11c5cab0d491bf2625087a3a6c83c98e4277d1d8314239f7d924
Markdown81ffd04304e2ac2010179d3db2ad23e909eea19dc04876204b0e39cb48ab654a
PDF
Publication page79826ea920e54bc4236fade4bc101e3a9fa2a166e945beb386ca9bbb9ad76162
Manifestb21d5d7623ca35c274ca0fca9f815f6ea9a17718009f5c2ab92b4909007dff74

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
SignatureqJI2JePpQ/8M516vgidcyn7NZVbteVlvNzPZjHj3l793sgx96D8ncY268VO6+lp/JB6VTwx8WlNbcVieejTVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:29.141097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072627
observed 79826ea920e54bc4236fade4bc101e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.121904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072627/manifest.json
observed b21d5d7623ca35c274ca0fca9f815f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.105360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072627/publication.md
observed 81ffd04304e2ac2010179d3db2ad23e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.087708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072627/publication.txt
observed 0884ff0f2ffd11c5cab0d491bf262508...
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.