OpenTechnical

OT-2026-000078616

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after set-down

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-2026-000078616) never changes.

Identity and time

Publication numberOT-2026-000078616 · never reused
Internal UUID01a0ae95-7c2a-7e3b-8616-fba136cad506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078616
StatusPUBLIC

Content hashes

Canonical textab82eed4ffcce8f245282a199321f22044ad403b7cfd68821d70084b12da50f5
Markdown65fae3a235687ccc56cca366de25a3dbcececc7f7d5c638e8cce9e0aaa066be3
PDF
Publication page6f25667eebd0c47dfce95d0adb594ecbc549b18df9882450cbda9658b09f0f9c
Manifest279d0b33a05e98c17b206cece5645866d3e5ec883320506a7e3bb462373072db

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
SignaturekZ3loWTCM7Pqn2shUTUdNldxRn63bn7wEk8dC4yvHYMsUknzihsHwfGMUAu+3HYahCGJOsmFSrVynTuV0ROODQ==
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

2026-09-17T10:06:39.168500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078616
observed 6f25667eebd0c47dfce95d0adb594ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.152600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078616/manifest.json
observed 279d0b33a05e98c17b206cece5645866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.134787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078616/publication.md
observed 65fae3a235687ccc56cca366de25a3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.116943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078616/publication.txt
observed ab82eed4ffcce8f245282a199321f220...
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.