OpenTechnical

OT-2026-000073411

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000073411) never changes.

Identity and time

Publication numberOT-2026-000073411 · never reused
Internal UUID01a0ae92-efb8-7c14-a7c1-6a720a9c6e9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073411
StatusPUBLIC

Content hashes

Canonical text8a33fc2c9134825f49cbc35327874b5b931a5911b678bff80ad5ca7f56904044
Markdowne3aee8c46470ad0e1b40b2183d45852eb64646328302fc2ac43048650ba21185
PDF
Publication page75afee123217bfd0b172be1c6bfb811d9047841eed71a2d2b569e09e116317de
Manifest68392b4993fe9c2ffa6db014cc007e70f6c7beb8418abe6d7822f3ed656a9da9

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
Signature/iaBRcV6HOY2dGfk7X6MHhJIppoQlmklTplI9juENvCdk/fuCDBZ+DEdxmKHLOs8UVkDlUzuqclgTOujM4Y1Cw==
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

2026-09-17T10:21:27.425480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073411
observed 75afee123217bfd0b172be1c6bfb811d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.408228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073411/manifest.json
observed 68392b4993fe9c2ffa6db014cc007e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.387313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073411/publication.md
observed e3aee8c46470ad0e1b40b2183d45852e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.368400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073411/publication.txt
observed 8a33fc2c9134825f49cbc35327874b5b...
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.