OpenTechnical

OT-2026-000021688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000021688) never changes.

Identity and time

Publication numberOT-2026-000021688 · never reused
Internal UUID01a0ae6f-bb59-7fa0-bc54-9416288990ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021688
StatusPUBLIC

Content hashes

Canonical text4cee67b56b2672d38a2baa18ecf7dea8bb5126bd416b7c755a87fac9f6fd0c0b
Markdownc037986e27e6c0f4fe936b388474d49ed0cb2e847dd410f81995c55281ccf723
PDF
Publication page61368d4f074a59fb72cb2df953155d802d6f55b2ae1b8e84e89a1b209ac914b7
Manifestd45d956f27f1efe8b67ceaa869003711e1ee7fd2395a545a73ff7512497700e2

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
Signatureqz5ugCp0O/qH4qamzhphB75SEogpZQ5totKnDzgLx/1+M44Mm7fTFsrdWhI/gYENpbu2nEUFqbfp2X3vVsSFDw==
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

2026-09-17T11:54:13.442658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021688
observed 61368d4f074a59fb72cb2df953155d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:13.424086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021688/manifest.json
observed d45d956f27f1efe8b67ceaa869003711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:13.403661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021688/publication.md
observed c037986e27e6c0f4fe936b388474d49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:13.386979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021688/publication.txt
observed 4cee67b56b2672d38a2baa18ecf7dea8...
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.