OpenTechnical

OT-2026-000077920

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000077920) never changes.

Identity and time

Publication numberOT-2026-000077920 · never reused
Internal UUID01a0ae95-2ed1-758a-9df4-3b4cd28b4030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077920
StatusPUBLIC

Content hashes

Canonical text92c211c6f9e65a2a06e95b3f225655e33b4c6ac3d9c4155681348a4e876c46e4
Markdown98274b4420a868b34a7de1bc746ebf32d63dba171d028fd343b5982f48c8eb80
PDF
Publication pagea1853f1293f16f880d8c7860f9583163d26c14459caa7bdfba5c73d160e5efc4
Manifest31de2a0951f44ce10a127bae6cd2344bb1ad6036f4e1c9278b2318e32a2b84a0

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
SignaturecFwzeimZ+HXUH/c/wqM8jU0x5cxGG1Co74dSZ1X55rztDpcOMoGnqHGJ0EBpZsQHlSyapg2ds7Z4App0x6lqCA==
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

2026-09-17T10:06:59.032968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077920
observed a1853f1293f16f880d8c7860f9583163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.015739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077920/manifest.json
observed 31de2a0951f44ce10a127bae6cd2344b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.998754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077920/publication.md
observed 98274b4420a868b34a7de1bc746ebf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.980345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077920/publication.txt
observed 92c211c6f9e65a2a06e95b3f225655e3...
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.