OpenTechnical

OT-2026-000044059

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000044059) never changes.

Identity and time

Publication numberOT-2026-000044059 · never reused
Internal UUID01a0ae7b-d67a-7e0f-9fd1-57397eb7bc62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044059
StatusPUBLIC

Content hashes

Canonical text825cc3eabc7cca301595f2a88f451c9eece3430d81522bbec316fa6dab31f2eb
Markdown97dea7d29b5c085e5cd9710395ef38d45e8d3462cc71d5b39d5678bd55e09a71
PDF
Publication page8d3303ff2b2e9b6073e4189d05cb4a1f7e734d39b33f3f1708a27224b139c1c5
Manifest15f22e94269a076e9145c00f6e493ed9853ca62da69fb67e35f9456f6067b59a

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
Signaturekq7MIkj7wfqbShC37mttXSCdmkDLJsoM32rVM26HB9WJvEKpJxZGC+/l1gDvNpMomJEcu5aAzixG+YUrmX7lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:27.342214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044059
observed 8d3303ff2b2e9b6073e4189d05cb4a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.323442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044059/manifest.json
observed 15f22e94269a076e9145c00f6e493ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.304460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044059/publication.md
observed 97dea7d29b5c085e5cd9710395ef38d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.284708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044059/publication.txt
observed 825cc3eabc7cca301595f2a88f451c9e...
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.