OpenTechnical

OT-2026-000003957

Publication integrity record

Vacuum cup gripper, two zone face, two outlet manifold, three stage ejector, pressure verified

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-2026-000003957) never changes.

Identity and time

Publication numberOT-2026-000003957 · never reused
Internal UUID01a0a90b-9521-74e2-9102-8053dc19d9e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:23.715795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003957
StatusPUBLIC

Content hashes

Canonical textdbb8756144c52fde47c0bd2d2f4255b6d1caf8ce20968140d6da55ee930f7a20
Markdownd37c796c7b7b7efd4d5484aad76d4b0600b4a668cb7e309f8467053c56f73783
PDF
Publication pagef0789a8b797604432ae6880ecd2741672cf0a67c9125b6beea9ad701db6f1d96
Manifest2d6619369ae3c2f614eb61720bee40a1c833a3f753e953ec87131002264a1e32

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
SignatureuWrlx711SA5Qgtvie7bHi+7zjKb6ZAgR910QlmKVileHCPLu/kJeMApgimxqxOB9onJXNNhNOp9rHxp9kyr9AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:09.951849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003957
observed f0789a8b797604432ae6880ecd274167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.937905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003957/manifest.json
observed 2d6619369ae3c2f614eb61720bee40a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.922418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003957/publication.md
observed d37c796c7b7b7efd4d5484aad76d4b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.895281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003957/publication.txt
observed dbb8756144c52fde47c0bd2d2f4255b6...
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.