OpenTechnical

OT-2026-000027556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000027556) never changes.

Identity and time

Publication numberOT-2026-000027556 · never reused
Internal UUID01a0ae72-6999-7256-b3b0-eba8d8a985b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027556
StatusPUBLIC

Content hashes

Canonical text3673008bc1c090982bf38b4f28575606c0587519b5deb7153dc0000d0b2cd8d1
Markdownae2bac222f26b66a8afd85c79a9db14875724458b032ee7da7bb564d63b723d6
PDF
Publication page7adbc408425eb784dfaa87aaeb25e9de51371726c780da7e2d7f7dc532fdf86c
Manifestf0de8fee0713250ec47830793ecd66690ab56467a06d891f8ba4c62e2350be50

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
Signature2ZicyvT4nHlOsviMqbvgdCT5X0837GoU91nW5HjArMhd/PvtRJgYMJhbk87Dg+o/achKQt/gFhdAy6pj8ePzAA==
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

2026-09-17T11:43:02.730720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027556
observed 7adbc408425eb784dfaa87aaeb25e9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.714709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027556/manifest.json
observed f0de8fee0713250ec47830793ecd6669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.697030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027556/publication.md
observed ae2bac222f26b66a8afd85c79a9db148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.679905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027556/publication.txt
observed 3673008bc1c090982bf38b4f28575606...
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.