OpenTechnical

OT-2026-000008770

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000008770) never changes.

Identity and time

Publication numberOT-2026-000008770 · never reused
Internal UUID01a0ae6a-e46c-768c-af53-675b39a3d781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008770
StatusPUBLIC

Content hashes

Canonical textde4f11c8a4d7d28a9d8eeefc2ec676aae4851c927248de4f4628d9e619084701
Markdown03e17f47c9bb8846b9e74cf7c74d389636fa036454ab550b6f4eef9d3b0e54b2
PDF
Publication page09f2a6be92aeb8f99043dcb2a0992f1e48f7249d5f88d5beade9d831f1679b80
Manifest8998fcd910bc6a90042053b64e7aae4879711603c3486881c820745442db27c3

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
Signature3LM3QDIv4Fi2BPWCp7yNZDzK/1cO5tD8san6AxGV1MFbUabGE8VHlFQG2DyPjWxR51vfi4H9pAC+lyBokdI2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:52.133517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008770
observed 09f2a6be92aeb8f99043dcb2a0992f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.114877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008770/manifest.json
observed 8998fcd910bc6a90042053b64e7aae48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.095243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008770/publication.md
observed 03e17f47c9bb8846b9e74cf7c74d3896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.070632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008770/publication.txt
observed de4f11c8a4d7d28a9d8eeefc2ec676aa...
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.