OpenTechnical

OT-2026-000079854

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000079854) never changes.

Identity and time

Publication numberOT-2026-000079854 · never reused
Internal UUID01a0ae96-4376-75c5-95e2-573fafb98a76 · 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-2026-000079854
StatusPUBLIC

Content hashes

Canonical textc9efbbe1ed362409ba3ae7c8fd40304d048138ca8e0f6a7b7ff1ad6a8bd68391
Markdown7a5931ccfee61fdbdb3f23d9fd3e018f97b3ef98dcc3f9d018c786a63458dae1
PDF
Publication page87ed36d4b0fc80cafa7490aed74710db03ea1479613926bfb45f00dd2324be0d
Manifest221046dfd1f6d872c8bed4fb60d5fa89785f51c95e6b5b529398ee16526ca14d

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
Signature6Tr2Wmn8UvXJGeRsODgNvOM49z00iWN6MAnwH7qlYSvRvEi1aImQ7o/t8jAJMCEfjWSIF7uWOZjZk0Z5lgzRAg==
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

2026-09-17T10:03:44.667006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079854
observed 87ed36d4b0fc80cafa7490aed74710db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.648485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079854/manifest.json
observed 221046dfd1f6d872c8bed4fb60d5fa89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.629252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079854/publication.md
observed 7a5931ccfee61fdbdb3f23d9fd3e018f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.609963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079854/publication.txt
observed c9efbbe1ed362409ba3ae7c8fd40304d...
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.