OpenTechnical

OT-2026-000080851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000080851) never changes.

Identity and time

Publication numberOT-2026-000080851 · never reused
Internal UUID01a0ae96-b974-7ec1-80bd-37e52bb22436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080851
StatusPUBLIC

Content hashes

Canonical textbbe61507834c5a90ea6ac3033efcce7c89b092673806e978b7969fb9c8e22fd1
Markdown0a74e27eabae3ce51d44882de82ace043a7a5bfeb75d9b0f8e9b296801c8b1cd
PDF
Publication page0b23381459f5ba555ba5d53249aa0e1e29a8e0f955de71f6a5c82170ac894a37
Manifestb67f69a662d23de800ad332524236b84c2d2b92a44b777c278f78bdc881ca1a2

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
SignaturekrSIgdlypKWJCHz4IMUVxGkU4o/xqq6h/FP1ERTzsYUoWvVi2FFOAK+NA8t7XWoaI4wiJs9vz8LEcADg1/U7DA==
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

2026-09-17T10:02:02.610480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080851
observed 0b23381459f5ba555ba5d53249aa0e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.592397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080851/manifest.json
observed b67f69a662d23de800ad332524236b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.574999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080851/publication.md
observed 0a74e27eabae3ce51d44882de82ace04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.557477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080851/publication.txt
observed bbe61507834c5a90ea6ac3033efcce7c...
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.