OpenTechnical

OT-2026-000074129

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000074129) never changes.

Identity and time

Publication numberOT-2026-000074129 · never reused
Internal UUID01a0ae93-7177-7a74-a469-0cc06d0d3434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074129
StatusPUBLIC

Content hashes

Canonical text2c93e7293411a0bf0ca87cb19ba62031291f0df48dfcb74cf14bffe02a57cd5e
Markdown0451e05f7c9c179b3a3323021d3edad1d58bbfeae72756881be2e11ade64abd6
PDF
Publication page2b3159fcd2f787f0d3898cfd4d7f50314e79296dded661f4a7e0c9b4ffdbe794
Manifest8db67e1074103f7521ab2fe06a47105016bc9aa810a0af43a50cab28fd79bb70

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
SignaturelAi/BVkeBsuwiDnJ97QWzq25mebuksRJ9b0YWZ5nQT/MnHlYCIFGu3l6QPzDG0FrEVjZBx3aoJh6MNrQOI+3DA==
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

2026-09-17T10:18:58.276112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074129
observed 2b3159fcd2f787f0d3898cfd4d7f5031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.256852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074129/manifest.json
observed 8db67e1074103f7521ab2fe06a471050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.239060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074129/publication.md
observed 0451e05f7c9c179b3a3323021d3edad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.222402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074129/publication.txt
observed 2c93e7293411a0bf0ca87cb19ba62031...
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.