OpenTechnical

OT-2026-000102015

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000102015) never changes.

Identity and time

Publication numberOT-2026-000102015 · never reused
Internal UUID01a0aea4-50f1-7a74-b9b2-bbe27636b89a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102015
StatusPUBLIC

Content hashes

Canonical text5b674ed3f878bb36f62e197b9b9e8bdef942b32819d6cd5dfe7c57ac3d512180
Markdowndeeb80893e9c228c8ad4e628c673e8d340ac2a25517b8076d11a1509ba4276a6
PDF
Publication page426bd84e6c8e0fc13eace456dc8dd1898921065271c5a877aefb8e376f9fd1f7
Manifestf7633512cf98ccd09ad8611687a0198fe76ebca746ba856114e34c0557e20b40

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
SignatureGx7e5nVgstbTS/aFHalKSjY8+JbkFEJpoUZpzva0SJHtiQ23Gjx/3pqvIm447wn0OYi7vYeg3g0X13Nk3XG6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:08.761711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102015
observed 426bd84e6c8e0fc13eace456dc8dd189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.741631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102015/manifest.json
observed f7633512cf98ccd09ad8611687a0198f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.720065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102015/publication.md
observed deeb80893e9c228c8ad4e628c673e8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.701422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102015/publication.txt
observed 5b674ed3f878bb36f62e197b9b9e8bde...
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.