OpenTechnical

OT-2026-000079474

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000079474) never changes.

Identity and time

Publication numberOT-2026-000079474 · never reused
Internal UUID01a0ae96-0b91-7966-a876-b2f59a7ad668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079474
StatusPUBLIC

Content hashes

Canonical text4218d662a1097444764b8fb2edf0df974b01ae0ec3cf4a1bdcd480c95a643335
Markdowneee43ea0069a5cdc50800fcec0da9d3b8a16a527dc2c2d6ee1503458e672bf5c
PDF
Publication page8be2bbd9afed7f5014a8e9ae1efe1e9a7b3163f061ae5a57f900cec3a8a8f750
Manifest6b4317b439d879318b0b19692d026ef812914daae6c7adec6dfe698839282da8

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
Signature88IWQevhvpukd5u2nWZulnh3BZSOR9dEYzirfo2iVBOjmLZ4H6emMHgWPcxBjSiV3Snyzv4e43Rs2nC4KrrLAQ==
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

2026-09-17T10:05:05.817340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079474
observed 8be2bbd9afed7f5014a8e9ae1efe1e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.799428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079474/manifest.json
observed 6b4317b439d879318b0b19692d026ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.780740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079474/publication.md
observed eee43ea0069a5cdc50800fcec0da9d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.762784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079474/publication.txt
observed 4218d662a1097444764b8fb2edf0df97...
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.