OpenTechnical

OT-2026-000014535

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000014535) never changes.

Identity and time

Publication numberOT-2026-000014535 · never reused
Internal UUID01a0ae6d-b27b-7614-b3b9-57d398ef9e98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014535
StatusPUBLIC

Content hashes

Canonical text23f01145ca0bf496b7707404d0fbfce7f293f3282ff1c6677a125a0e6ecd79e9
Markdown026da18b5b5182edbfcf2e053079c3cc3b9006a8da7d667577aa9c1d6e80de90
PDF
Publication page2612cc86a813aef433ab58e928c907a285688a6a05b46c3a2d06105d272fd1c6
Manifest1e11134a91eb3c0aee99a65acc9b3fcd4ee51feb547f12c81d9defb6d2afec61

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
SignaturezoJ5VupKWKy0Yr7CIvhP+1S1TXI671G8Ajy8qI0h5++IxCv/yf9ZBEiNcBQUhYdcMlANm0JI6tG/EhAR1EH8Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:22.838613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535
observed 2612cc86a813aef433ab58e928c907a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.818631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/manifest.json
observed 1e11134a91eb3c0aee99a65acc9b3fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.798119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/publication.md
observed 026da18b5b5182edbfcf2e053079c3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.775599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/publication.txt
observed 23f01145ca0bf496b7707404d0fbfce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.026440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535
observed 2612cc86a813aef433ab58e928c907a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.009586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/manifest.json
observed 1e11134a91eb3c0aee99a65acc9b3fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.991978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/publication.md
observed 026da18b5b5182edbfcf2e053079c3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.972831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014535/publication.txt
observed 23f01145ca0bf496b7707404d0fbfce7...
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.