OpenTechnical

OT-2026-000013637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013637) never changes.

Identity and time

Publication numberOT-2026-000013637 · never reused
Internal UUID01a0ae6d-8de8-7714-af89-8f26b7baf047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013637
StatusPUBLIC

Content hashes

Canonical textd2e2f8ef17eb055da6cda29984df05b74887aa42effcd654545104ed0ea504c8
Markdown49466ff99a96dcffccef54b627dae1dd539e8485a35e66c1437bc58fc802f080
PDF
Publication page7a4e1f9b2bd37fca0809046a48d4dbe236dacd0c9b3a7c08ac81462c41d12f9b
Manifeste898781a13bd43bda627214fed4e40abee2832313c21d7904e8c1fb146a023e9

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
SignaturePJyg/DcgNmG/IRH7/uPfmJJqWQoMt+mf0aQwBCqaoRDO6wN2sTV2CIgfRulBeJfUVJbKOwbB16yMsL9R4YYjBA==
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

2026-09-17T12:10:33.339412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637
observed 7a4e1f9b2bd37fca0809046a48d4dbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.321608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/manifest.json
observed e898781a13bd43bda627214fed4e40ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.302592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/publication.md
observed 49466ff99a96dcffccef54b627dae1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.283379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/publication.txt
observed d2e2f8ef17eb055da6cda29984df05b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.361305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637
observed 7a4e1f9b2bd37fca0809046a48d4dbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.341246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/manifest.json
observed e898781a13bd43bda627214fed4e40ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.321224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/publication.md
observed 49466ff99a96dcffccef54b627dae1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.302557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013637/publication.txt
observed d2e2f8ef17eb055da6cda29984df05b7...
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.