OpenTechnical

OT-2026-000072017

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072017) never changes.

Identity and time

Publication numberOT-2026-000072017 · never reused
Internal UUID01a0ae92-47c0-7f3c-a37b-cc8114596685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072017
StatusPUBLIC

Content hashes

Canonical text3cda63406717638be20a347722beace84b8c4b040991598286c5a147c749a0c1
Markdowne340cac1345d1c6baae215280ae21310fe8c814a13f0d573efda61c39ef5392f
PDF
Publication page5942a66fbe7949aded1f39145743d44e4a71072c7d51801df6973c0bd800919c
Manifest5554e76e52122aa39d6b5517d729dc7ae3fc68415f7377b8e772970b19cd3557

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
SignaturemPJenafpv7zdSpSRMV3HoYhbVkmUkYReMzZfJyK3lnI8in/oZyEFajM8xIMELbZi2uXDbjqXekbEMD1EBTgsBw==
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

2026-09-17T10:23:04.767646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072017
observed 5942a66fbe7949aded1f39145743d44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.750102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072017/manifest.json
observed 5554e76e52122aa39d6b5517d729dc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.732076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072017/publication.md
observed e340cac1345d1c6baae215280ae21310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.715639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072017/publication.txt
observed 3cda63406717638be20a347722beace8...
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.