OpenTechnical

OT-2026-000023813

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000023813) never changes.

Identity and time

Publication numberOT-2026-000023813 · never reused
Internal UUID01a0ae70-aed5-7287-82fa-e2f43c3ba4a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023813
StatusPUBLIC

Content hashes

Canonical text3beaf240297b095a69ee6b0e8a7668ee2b150ae683b6c55a4eb857d1dac81e33
Markdown567a07eaf08da5f02a3b102e9f176125f633f65c6ce91c7f744a0500fd7a8781
PDF
Publication pageaba3e45dfdb194957e5bbb8964ddd3008adac7c860a7bde9fa1a410f5fd2e515
Manifest65be2cc09944b88181d60c02f20a2d835b28beee582042452973b1879c4f5873

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
SignatureH7tzcE6vEGzDqf2pE2F0RIvqjwldkfOApfF+d20lEmzTwcs7gTbS3UP+YgMc8sHvtxWo5LoYYacuQf142pV7DQ==
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

2026-09-17T11:50:17.727943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023813
observed aba3e45dfdb194957e5bbb8964ddd300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.708587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023813/manifest.json
observed 65be2cc09944b88181d60c02f20a2d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.690406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023813/publication.md
observed 567a07eaf08da5f02a3b102e9f176125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.669109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023813/publication.txt
observed 3beaf240297b095a69ee6b0e8a7668ee...
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.