OpenTechnical

OT-2026-000077252

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077252) never changes.

Identity and time

Publication numberOT-2026-000077252 · never reused
Internal UUID01a0ae94-f508-7671-9f17-08f429de57de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077252
StatusPUBLIC

Content hashes

Canonical text4bb8a3404ffbffd8aab1985475bac919d2f66e42ef19bffdabfe848351b69e23
Markdown48fd41e21874554ad4aee590a264bdcc1b6abbae94856a1064765d88424b22ec
PDF
Publication pagea1db505574f878cdcfae50de10e8fb059162b344d563e2c2925b20dba5e2f3ac
Manifest347c015ecd0889aa1c8fd8ff7a062fb43d01c4e2ebc17f84ad2c4396fcb5d2de

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
SignatureVYPpNpv3W9yqzDYKGPnRggr/9WXNRITa+IkdVCJ5H0xA9dB1/2f2nSdFy84j51ymYu1sfhrRan/EAAznl7QDBw==
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

2026-09-17T10:08:52.262638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077252
observed a1db505574f878cdcfae50de10e8fb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.243590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077252/manifest.json
observed 347c015ecd0889aa1c8fd8ff7a062fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.224584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077252/publication.md
observed 48fd41e21874554ad4aee590a264bdcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.205932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077252/publication.txt
observed 4bb8a3404ffbffd8aab1985475bac919...
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.