OpenTechnical

OT-2026-000079898

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000079898) never changes.

Identity and time

Publication numberOT-2026-000079898 · never reused
Internal UUID01a0ae96-4376-716e-b370-fa2bf2c68c2a · 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-2026-000079898
StatusPUBLIC

Content hashes

Canonical text580759857057695fa91c05ed4c7ffad3324cc6fe3e91d13e9562dfb7a8077800
Markdownc17b340c31bfc484674f4a89b59c48c69b8e9e5b04227f5a1deb314724d428d6
PDF
Publication page85d6b101e60b3678e6d1b1f4d49e92f8a86714fb88506e67f2c23395ee00181a
Manifestc478f0681bd3a99400f02d5a943aa0f1ee81d1d56207c529b5c064fd5038a315

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
SignatureGsgDtBHmAXPoaFVvNQozJLgblcw4MNu3ufyCjzkzrxxyII6HCgVkWpv3MWzVZbvs1bD/rODlr6M5ok2crD6dAA==
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

2026-09-17T10:03:47.643518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079898
observed 85d6b101e60b3678e6d1b1f4d49e92f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.624669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079898/manifest.json
observed c478f0681bd3a99400f02d5a943aa0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.606088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079898/publication.md
observed c17b340c31bfc484674f4a89b59c48c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.584743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079898/publication.txt
observed 580759857057695fa91c05ed4c7ffad3...
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.