OpenTechnical

OT-2026-000062977

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000062977) never changes.

Identity and time

Publication numberOT-2026-000062977 · never reused
Internal UUID01a0ae8c-94a9-76df-b6e5-ab6179dddcb0 · 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-2026-000062977
StatusPUBLIC

Content hashes

Canonical textc8f01f994650abd02294637a3b75a2d54a26cd06a865f80520d1133070c629d0
Markdown0294401b825bf0fe756423c9938eb66b8becb7a8d1bead841004c6beb20db892
PDF
Publication pagefc34901dd8b9b01f57bb53237b05baad4bd88ee156fe2fec42223ac6d5e4975b
Manifest1eafa117d6fd6b0eb123031769867cc3992cbf86ecfdf6e1e043cc0b9d372bda

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
SignatureFxkijilSX2UIpFA9nFiF13VDhc04avULIAhmHNPplgp2p6LpiDP0gaqfw5KknLJJO5G7Tg6s2wODNJglOEdyCQ==
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

2026-09-17T10:40:29.822150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977
observed fc34901dd8b9b01f57bb53237b05baad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.802005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/manifest.json
observed 1eafa117d6fd6b0eb123031769867cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.782834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/publication.md
observed 0294401b825bf0fe756423c9938eb66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.759622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/publication.txt
observed c8f01f994650abd02294637a3b75a2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.671019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977
observed fc34901dd8b9b01f57bb53237b05baad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.649945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/manifest.json
observed 1eafa117d6fd6b0eb123031769867cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.632135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/publication.md
observed 0294401b825bf0fe756423c9938eb66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.613776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062977/publication.txt
observed c8f01f994650abd02294637a3b75a2d5...
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.