OpenTechnical

OT-2026-000062997

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000062997) never changes.

Identity and time

Publication numberOT-2026-000062997 · never reused
Internal UUID01a0ae8c-94a9-7613-9763-dd9cf89b0797 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062997
StatusPUBLIC

Content hashes

Canonical text939353ad8a1c53df28110b59b40f1f9a1ae9da29d862bd4c8468c9e7fbfe25ab
Markdown363398b20d4d7a4765960dbf67c965316194bcfb519db4f4f493322098d4ae28
PDF
Publication page287a3c772ccf592ba647dfd68726520dd70c041aada8c1bb7fe0d33d5dec4241
Manifestc9a46eec7365dfcff3ee22a74846a532d6f9f87c0876a231cfe7be524ba11ded

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
SignatureC8IZhRdGSvN18HiSBFv7HVeyhsdFPdGurMHUG60h7dtEzahhNd+T5GaWRgBKTXZGcJYS+XZr6757mhRvZeGsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:31.706251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997
observed 287a3c772ccf592ba647dfd68726520d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.681790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/manifest.json
observed c9a46eec7365dfcff3ee22a74846a532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.642697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/publication.md
observed 363398b20d4d7a4765960dbf67c96531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.618769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/publication.txt
observed 939353ad8a1c53df28110b59b40f1f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:44.315959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997
observed 287a3c772ccf592ba647dfd68726520d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:44.296501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/manifest.json
observed c9a46eec7365dfcff3ee22a74846a532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:44.278566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/publication.md
observed 363398b20d4d7a4765960dbf67c96531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:44.258911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062997/publication.txt
observed 939353ad8a1c53df28110b59b40f1f9a...
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.