OpenTechnical

OT-2026-000080040

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000080040) never changes.

Identity and time

Publication numberOT-2026-000080040 · never reused
Internal UUID01a0ae96-4377-76d7-a04e-189502e6cc2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080040
StatusPUBLIC

Content hashes

Canonical texta509c57992291dde8a7f94df1702cb000a782c287d8ecbffabf80e8ee189730b
Markdowncb5d5b2c37d7d7b8ee3741f78faa0da7cd7bc683715820861fa0515ab9999e6b
PDF
Publication page0aad7c5bae364d00b3ca8d6eddfc9b3198c88e517cf7f2b60fa480b40de12d91
Manifestcd7aaa2998411972f1b4618afd7f9b213b3317193600b7fbb7d94883a1557bfa

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
Signatureq3J0eWxFTNexsQdvHWs2NCRLjHDsio6ML7M8j+ev/In2VzX4It9cnk772w78khKkrqiKYCP9582GdyFWz1KsDg==
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

2026-09-17T10:03:58.004163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080040
observed 0aad7c5bae364d00b3ca8d6eddfc9b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.983197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080040/manifest.json
observed cd7aaa2998411972f1b4618afd7f9b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.963303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080040/publication.md
observed cb5d5b2c37d7d7b8ee3741f78faa0da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.940501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080040/publication.txt
observed a509c57992291dde8a7f94df1702cb00...
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.