OpenTechnical

OT-2026-000074986

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000074986) never changes.

Identity and time

Publication numberOT-2026-000074986 · never reused
Internal UUID01a0ae93-ac2d-7f7c-98a9-5facf7527449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074986
StatusPUBLIC

Content hashes

Canonical textd3d86de47f92bfba76ff0c85dedcf646fc3473d66dc993025d174fd7e310b220
Markdown14ad3a6639b3729699019ed3bb4c7b493e6d0bfe6371644c07ea690ac6277dfb
PDF
Publication page7ace29b16ecba5861b2d99a20a1a2ffd30529871afb24584ce68c074802abe52
Manifesta138ed9c8246c5e25c65ab71ea6f46c5454e86fff618a7927770db7cff745cc6

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
SignatureQMsTtarWM9kmgnuQawx0+YO+vJ4j40mLQrhpQNutJWfBOWOPT7i9IRuuqGG9MnA+N/QRWuT5YjXKaE7/MyxzAA==
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

2026-09-17T10:18:47.502237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074986
observed 7ace29b16ecba5861b2d99a20a1a2ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.483636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074986/manifest.json
observed a138ed9c8246c5e25c65ab71ea6f46c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.466134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074986/publication.md
observed 14ad3a6639b3729699019ed3bb4c7b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.447469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074986/publication.txt
observed d3d86de47f92bfba76ff0c85dedcf646...
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.