OpenTechnical

OT-2026-000042499

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042499) never changes.

Identity and time

Publication numberOT-2026-000042499 · never reused
Internal UUID01a0ae7a-c0cd-77ab-97d1-5a8aa748f6a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042499
StatusPUBLIC

Content hashes

Canonical texte9151adafdde16c00f2b75b4fd35509e3b78806259088c8a9d3e25f4ad63b24c
Markdownc451b51ef7b6739258788fc91daeb559528393890c27c5fce8d52b066be3b85c
PDF
Publication page06bcc7c91e1e4173062994099f936e93c9edb9d7090906880dc6225c68465c9a
Manifest7178ff08321fb398ffca95814beae2d480074b8a77ef7fa88734b18d3b883556

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
SignaturePld4iku1No2TiakBoey2e03zawyZHViieRtbzLg6oLhqAWCS7EnaA8JMCpW7n77/iEM1KKioO7EAdJZG4m80Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:04.454741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042499
observed 06bcc7c91e1e4173062994099f936e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.433978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042499/manifest.json
observed 7178ff08321fb398ffca95814beae2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.412283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042499/publication.md
observed c451b51ef7b6739258788fc91daeb559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.391725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042499/publication.txt
observed e9151adafdde16c00f2b75b4fd35509e...
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.