OpenTechnical

OT-2026-000091707

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091707) never changes.

Identity and time

Publication numberOT-2026-000091707 · never reused
Internal UUID01a0ae9d-43b9-767d-96e9-ebd98a39fef1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091707
StatusPUBLIC

Content hashes

Canonical text7be9f3bda9364b2fc77f26b3d00e778a7e8464211ed8d3edadc0dd180bfe8dee
Markdownd2459e54aaf8958a411c3c6e90960280f6857076d362a536cece1e2fa260f3f5
PDF
Publication page56733d9434215ea15c9c54f18c82caf8c8516265f84622f9fcf6589fee70a1f4
Manifestdc4af146a59404048100b36a637f16d36f664785a8b0e58a36ebcb3b2f4aa4e8

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
SignatureSygDSNqNO43PY5/PjAlrtagnFSVm9weg0Iu0Xd8fuc7aJ5XVwbTOdh8YPHDGsTkJBFxA3NwEwkxEuilg3Jp+Bg==
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

2026-09-17T09:42:05.846920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091707
observed 56733d9434215ea15c9c54f18c82caf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.830723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091707/manifest.json
observed dc4af146a59404048100b36a637f16d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.810380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091707/publication.md
observed d2459e54aaf8958a411c3c6e90960280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.792839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091707/publication.txt
observed 7be9f3bda9364b2fc77f26b3d00e778a...
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.