OpenTechnical

OT-2026-000069835

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069835) never changes.

Identity and time

Publication numberOT-2026-000069835 · never reused
Internal UUID01a0ae91-185f-792a-8580-ca50e8397aa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069835
StatusPUBLIC

Content hashes

Canonical textb0a5dd0f91cd1ee61b93e0a5f0e894b2c44ceeacb6c065f8d116d5867b946083
Markdown085fa3f2df07253e27d8b93e1e7de5254335a9af9eac407d5ac73ce3d99e045a
PDF
Publication page00d33dd5dadf8a8de298588fe7d0d7ab977b74a16da87d3861394a7da4955188
Manifest501d2ef42c36c4aea8bb733cd9b5bb42f62f7f617342506f8be4e4c054947a34

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
SignatureD5HFks9Ag+bD8zU7g31Re9ZaaomIb0nEVFh8urqH0Up5ZW4XOSMxtSWnm65BO3aGqIRj2s3EO+gMZ11o4rLoBg==
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

2026-09-17T10:26:40.055968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069835
observed 00d33dd5dadf8a8de298588fe7d0d7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.040044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069835/manifest.json
observed 501d2ef42c36c4aea8bb733cd9b5bb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.020769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069835/publication.md
observed 085fa3f2df07253e27d8b93e1e7de525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.004752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069835/publication.txt
observed b0a5dd0f91cd1ee61b93e0a5f0e894b2...
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.