OpenTechnical

OT-2026-000022624

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000022624) never changes.

Identity and time

Publication numberOT-2026-000022624 · never reused
Internal UUID01a0ae70-46e9-756d-b2ce-0b80f7b8e563 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022624
StatusPUBLIC

Content hashes

Canonical text4f4450c3d4f806cb451cf52033f4a8c2c97e323dadef7ee1cc492b8e7f0b70ab
Markdown43d43b9c88718e6b589919d9bcf5035b3c455fac718feff999da377aa1d8d43d
PDF
Publication page53b6ab415ac0a070d65168ab88c8a588cd5efdc78ee08e236062a59df14797c0
Manifestb09e23de9255dd91b5719b1b5cac3ccd5634507dd26b83076ad2c04998b64be3

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
SignatureP9KB21h5F7GL9kS5r6xGDtAtep7EsiH0pglgqYUwaXzEZ/KGzOhPm/qWEy3q9B1F97z3sRE6MYtKjCtKOHfnCw==
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

2026-09-17T11:51:59.887303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022624
observed 53b6ab415ac0a070d65168ab88c8a588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.871203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022624/manifest.json
observed b09e23de9255dd91b5719b1b5cac3ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.850689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022624/publication.md
observed 43d43b9c88718e6b589919d9bcf5035b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.830942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022624/publication.txt
observed 4f4450c3d4f806cb451cf52033f4a8c2...
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.