OpenTechnical

OT-2026-000072023

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072023) never changes.

Identity and time

Publication numberOT-2026-000072023 · never reused
Internal UUID01a0ae92-47c0-78ca-a5d7-e9d8701bacb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072023
StatusPUBLIC

Content hashes

Canonical text2cda8d4d2b0169f7f13a3c0279810d7212aefcee1ce2365116344ab8e6d2a71c
Markdownea2023d34f8798d788698aaaea6685a243cde4c4f0870cb1d16f52346314c7e5
PDF
Publication page45b31242a88af7c019fbb71e566811253fd7d45b9a1a0cc31c4a163e6e934def
Manifestff5329042c34fbce69177a19cae28c54a2cd174fda55aa4e9d4f02237faf8f6b

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
SignatureH7jBzrXZ+iQ0cZnXIW1mDK7Ey6a13p1nyvFyrTcuqWD2voofLOJURFilhVQDY/2nAMTI0b1fb7VT9Up4ZouABA==
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

2026-09-17T10:23:01.938538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072023
observed 45b31242a88af7c019fbb71e56681125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.922140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072023/manifest.json
observed ff5329042c34fbce69177a19cae28c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.905905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072023/publication.md
observed ea2023d34f8798d788698aaaea6685a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.889292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072023/publication.txt
observed 2cda8d4d2b0169f7f13a3c0279810d72...
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.