OpenTechnical

OT-2026-000073782

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000073782) never changes.

Identity and time

Publication numberOT-2026-000073782 · never reused
Internal UUID01a0ae93-2b8d-7854-abc0-58b76a6afe9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073782
StatusPUBLIC

Content hashes

Canonical text4a2c5354435b18e74299857e182582536130ac9902a1299686ff5dda9e3ad57e
Markdownae524f8893c32d83075d2e67e1a8aef32d43283209a9d75a72313c9822154fd5
PDF
Publication page70c50bfabfc3c3cf7eda6fc01964012fd5c0b74024febcd44904849b8f6ad98c
Manifest992fb3c2bfdfa6eecb683134be5697f8af2fda8227497ad4eec8d88ef2541eb5

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
Signature9eOg7y6jWlvp6ez5nYV1V1U3R/71s8zfJqzR3dJMRvdZaD9qYwoJbX1av34s6C9F5RnM81feJNpOMVhKelSEDw==
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

2026-09-17T10:19:53.253265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073782
observed 70c50bfabfc3c3cf7eda6fc01964012f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.225665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073782/manifest.json
observed 992fb3c2bfdfa6eecb683134be5697f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.204838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073782/publication.md
observed ae524f8893c32d83075d2e67e1a8aef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.181209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073782/publication.txt
observed 4a2c5354435b18e74299857e18258253...
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.