OpenTechnical

OT-2026-000068418

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068418) never changes.

Identity and time

Publication numberOT-2026-000068418 · never reused
Internal UUID01a0ae90-2481-7d6b-8561-b5e58cfd99f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068418
StatusPUBLIC

Content hashes

Canonical text7c40c46a16b5f4837118e8a17764d0d763f972adbde58126023de6dd51b8573c
Markdownd1843b3cd4b853d389b21003ee88fdcfc1aafd4edfc0cb3fcae56820b247bdaf
PDF
Publication pagedb8d1eb4632ed58c6d6dd95815a53c4fed0a1f654d0a7c3963af5faab8af5bf8
Manifest222e89ae2c54a558c689faf95576c2122b522f27b157f48d3b58c7f45a9a4085

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
SignatureEuYVm3OkpVQeSrSdQQ2rVlK/lZ0+8Naf5Ln/ON2Lgua3pXmhXp5S0i25+fD6AlNh1yL4FPJTxUc63Sp+PgOJBA==
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

2026-09-17T10:29:33.337642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068418
observed db8d1eb4632ed58c6d6dd95815a53c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.321370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068418/manifest.json
observed 222e89ae2c54a558c689faf95576c212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.303307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068418/publication.md
observed d1843b3cd4b853d389b21003ee88fdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.286278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068418/publication.txt
observed 7c40c46a16b5f4837118e8a17764d0d7...
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.