OpenTechnical

OT-2026-000072535

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072535) never changes.

Identity and time

Publication numberOT-2026-000072535 · never reused
Internal UUID01a0ae92-89d8-7417-bbc6-08eb2f70c3fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072535
StatusPUBLIC

Content hashes

Canonical textadd92667240ada9d22c3242b3e26d19be431a9d4cd3070f667a932709838e6a3
Markdowna4198cb4b1b9f0946a517a4c2be94bc54a78898a6bca31bc08c2496d778d71f8
PDF
Publication page532d0da7aa41561085b10838494c7ac6d8adde7ac7382c57b51f56836ff6c69c
Manifeste6fc69fa96936c05882241528a86d5419a9b5d18a71a80bb4d7665fb700bf8b5

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
SignatureT1NbAnBKJpJjbzEfdLWeBbfp8TzemckMoBkOEeQw2KO2vs3yiT3EFDpy1M+aLY3APljaWPFSNOzXEAPWywcbBg==
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

2026-09-17T10:22:22.014892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072535
observed 532d0da7aa41561085b10838494c7ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.997493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072535/manifest.json
observed e6fc69fa96936c05882241528a86d541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.982881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072535/publication.md
observed a4198cb4b1b9f0946a517a4c2be94bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.966238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072535/publication.txt
observed add92667240ada9d22c3242b3e26d19b...
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.