OpenTechnical

OT-2026-000050929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before set-down

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-2026-000050929) never changes.

Identity and time

Publication numberOT-2026-000050929 · never reused
Internal UUID01a0ae82-c7b3-7f11-b8db-74d2f6a1f108 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050929
StatusPUBLIC

Content hashes

Canonical text0d040b26994a86a4f7bb6191a723d2fba52ae1d78d1680cf8ce369212972d341
Markdown5a8e8e320dccdb05e1f18b9c9349440d25ae006c6b5321a93b17df9d2bdf7462
PDF
Publication page118a0630eaea5de2e4a058b8086772362dc866dc988c2d63ef36122d2deae23f
Manifest6fa2f130f1e02bec63220d87322dd3517c94794f236dfdc93ff6acc015b80f63

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
SignatureZIoM7nOqSGvuhKcHOiacyE9plnYDHmmiSJcjKoz9BD1TJVqdxoJ5rfRFsX5FSMO6HsZss+ZrJs/1DhuNsK1rAA==
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

2026-09-17T11:00:41.469268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929
observed 118a0630eaea5de2e4a058b808677236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.465045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929
observed 118a0630eaea5de2e4a058b808677236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.447938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/manifest.json
observed 6fa2f130f1e02bec63220d87322dd351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.446898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/manifest.json
observed 6fa2f130f1e02bec63220d87322dd351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.429848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/publication.md
observed 5a8e8e320dccdb05e1f18b9c9349440d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.427069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/publication.md
observed 5a8e8e320dccdb05e1f18b9c9349440d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.412386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/publication.txt
observed 0d040b26994a86a4f7bb6191a723d2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.407918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050929/publication.txt
observed 0d040b26994a86a4f7bb6191a723d2fb...
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.