OpenTechnical

OT-2026-000074937

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000074937) never changes.

Identity and time

Publication numberOT-2026-000074937 · never reused
Internal UUID01a0ae93-ac2d-7fde-a98e-db063320389a · 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-2026-000074937
StatusPUBLIC

Content hashes

Canonical text441cc5fdc1f110c911024b3a991c426c34e7fab1c712256181d879681efaa3a7
Markdown306bb0d901aae7ee3ae63217c82105c4b4f0d94282da77c6537f0fb139480b0b
PDF
Publication page85e3503628a859d0bac1c43a4685a73d44d0491e8bb4db149797f46c78e4ee87
Manifest50b02bf8b003be8c56e6f3836a61b80a60bfb165aac002c80159384ce768541e

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
SignatureezBQ0R4X501A6p6+xDXRyjAWzSO+sRRa7r+qKRiACa9GFu66Jd3iBmEtRAqpZZTYDlb6M6bE97RJvv9VPphjBA==
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

2026-09-17T10:18:39.998856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074937
observed 85e3503628a859d0bac1c43a4685a73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.982539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074937/manifest.json
observed 50b02bf8b003be8c56e6f3836a61b80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.966657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074937/publication.md
observed 306bb0d901aae7ee3ae63217c82105c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.949800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074937/publication.txt
observed 441cc5fdc1f110c911024b3a991c426c...
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.