OpenTechnical

OT-2026-000079570

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000079570) never changes.

Identity and time

Publication numberOT-2026-000079570 · never reused
Internal UUID01a0ae96-0b92-7228-9deb-bfcfd819fb2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079570
StatusPUBLIC

Content hashes

Canonical text37ca5958f1c20f7e242e3d59d18bdedd7448fa0966ca6bca27318ce192e2f63a
Markdown177b804acdddee38d11ae6b9d905912a6132fd533d435a91d8b2c9e4398d80e9
PDF
Publication pagebeef5aba59ee095b75d45064a1a0170f0fbc5117a3df10762091aac18f4adb5f
Manifestff4ef99a145f0fc44c12d523998006fe6a98f4aa72a0ed867cfa47f47ba69fab

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
SignaturebjIimLm5cFS9eegVOstDdOzb6j2pARs+8e+7eb3uhZC8seUbLOLxHwQgSYWkYTk8VjoCUrbU+15/SY3glmqVBg==
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

2026-09-17T10:05:13.223371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079570
observed beef5aba59ee095b75d45064a1a0170f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.201522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079570/manifest.json
observed ff4ef99a145f0fc44c12d523998006fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.182136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079570/publication.md
observed 177b804acdddee38d11ae6b9d905912a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.164257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079570/publication.txt
observed 37ca5958f1c20f7e242e3d59d18bdedd...
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.