OpenTechnical

OT-2026-000075042

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075042) never changes.

Identity and time

Publication numberOT-2026-000075042 · never reused
Internal UUID01a0ae93-ac2e-7e7d-858e-a69024bf73cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075042
StatusPUBLIC

Content hashes

Canonical text72fc57f3979bc083f02148e317700f970459bd9c5459bd29364c86493df99a83
Markdown65b11c4839a88617e6afbcfb8b84ca49bb7592fab6435324329d78b1ec08dc74
PDF
Publication page7547d69c2c18ac7822c263db7b149077aa0dff0b84595b1e0cf443140cf1adad
Manifestff0ce1ad9bf14466ca7ed505165dc0abd9e06236c09eee7506ec6fb8c100d8e7

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
SignatureOxm2ARW8TvK38ZUkCazJnXjijRQRBGtRrLihAEzCeGlLD5Vm6lOko1iAJfSy3zwYEWy+2bG/dtC2+0L9d8UzBQ==
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

2026-09-17T10:18:51.423251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075042
observed 7547d69c2c18ac7822c263db7b149077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.405838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075042/manifest.json
observed ff0ce1ad9bf14466ca7ed505165dc0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.390146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075042/publication.md
observed 65b11c4839a88617e6afbcfb8b84ca49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.373035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075042/publication.txt
observed 72fc57f3979bc083f02148e317700f97...
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.