OpenTechnical

OT-2026-000071344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071344) never changes.

Identity and time

Publication numberOT-2026-000071344 · never reused
Internal UUID01a0ae91-e0ec-7489-a380-d29f6702feda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071344
StatusPUBLIC

Content hashes

Canonical texted46a77d801626b3b6e8c418f21974fb8af4fad8985c4371c45f376b57f81a98
Markdown2ec3b3b31d15f3aabfef6cca3752f3db9e2e9911c6b972134cfc4b401c2defa1
PDF
Publication page23032a5e9fbcb885c03ee6b24e102c5b68c2719b921322cd6a8e56aa15f6a710
Manifest1725d0f08eefbd072e97fd1b82032c2f421d1c3e2b3e78677cf928899cb53663

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
SignatureYVfp7B+TtTY0lAsoFc6dzdP0wlN19cOkDkczwQloCOGyvSgWw6dAxtNKAB9e2PkShjsfA50TYUPutNqRLm8fAQ==
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

2026-09-17T10:24:56.797726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071344
observed 23032a5e9fbcb885c03ee6b24e102c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.780380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071344/manifest.json
observed 1725d0f08eefbd072e97fd1b82032c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.764199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071344/publication.md
observed 2ec3b3b31d15f3aabfef6cca3752f3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.747650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071344/publication.txt
observed ed46a77d801626b3b6e8c418f21974fb...
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.