OpenTechnical

OT-2026-000074632

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000074632) never changes.

Identity and time

Publication numberOT-2026-000074632 · never reused
Internal UUID01a0ae93-ac2a-7ef8-944d-d865b1a18cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074632
StatusPUBLIC

Content hashes

Canonical text012526c9c62e461d0ad93c16eac5a03ca9ffe921ffe9a31842caf6b153db2df2
Markdown26afe2835aa4d2b70d92dea5feaed3c0f4cf546d5dd7c585a576bf0c90bfc4b0
PDF
Publication pagedcbf1a6296a72e62dcd17c43bfe82d4c893041dd60a4f8fbbdc86499015f00e3
Manifesta64c259f5b4c2aa8f9abcc13cfc0f4c1ea05c714960977b1375d5823dca4d8b0

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
SignatureIVyVGs/deB5oYPtTeDKKCa4aPRyYNOPs/1iGNqG8IGnkmChbFN6Z8wK37qMP9PgpG0UCjGipLTAQ9nHhkSJGDQ==
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

2026-09-17T10:18:11.731297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074632
observed dcbf1a6296a72e62dcd17c43bfe82d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:11.712698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074632/manifest.json
observed a64c259f5b4c2aa8f9abcc13cfc0f4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:11.692783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074632/publication.md
observed 26afe2835aa4d2b70d92dea5feaed3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:11.050332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074632/publication.txt
observed 012526c9c62e461d0ad93c16eac5a03c...
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.