OpenTechnical

OT-2026-000008563

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, vented after 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-2026-000008563) never changes.

Identity and time

Publication numberOT-2026-000008563 · never reused
Internal UUID01a0ae6a-e46b-71ce-aab3-74bba51cedd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008563
StatusPUBLIC

Content hashes

Canonical text23f5bb316b9c86121bc2fbc64b3fb40cd6d69e748dca8c80bad91696e66649f6
Markdown8c151cfb58f706f812de04ee1ff2a9d6ef9a9c0856aab64bbae4148856129d6a
PDF
Publication page5d7d0ed4e2f02e1559ad3cd79ed3d074da61a42fbe5795cef63933c6a6e921f6
Manifest1cd8773ca81ede9604b8880ab23e5f21276e8724bef2190cc045a54d5fe1db29

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
Signatureonsi2HuIMwrYuIVrf0ibcyYc0MxS3O+Xoi3KVq36bhFn6kSVeqbjl7KYua1eNk4Q3B+XEfQ4FZ69W2vtrBT9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:30.172567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008563
observed 5d7d0ed4e2f02e1559ad3cd79ed3d074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.152544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008563/manifest.json
observed 1cd8773ca81ede9604b8880ab23e5f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.132299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008563/publication.md
observed 8c151cfb58f706f812de04ee1ff2a9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.110837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008563/publication.txt
observed 23f5bb316b9c86121bc2fbc64b3fb40c...
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.