OpenTechnical

OT-2026-000084178

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000084178) never changes.

Identity and time

Publication numberOT-2026-000084178 · never reused
Internal UUID01a0ae98-5b5f-74c4-a707-af67e7637312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084178
StatusPUBLIC

Content hashes

Canonical text074a267b61aaf65bda023e9431013ac66613be1ff94066d010486a2e71f3d1d5
Markdown37fd30238989c39dc886e76c6e247485afbe74e8222a3fc71a0261bde8d9a948
PDF
Publication page47c40ce5990d07d52a73dff1bc7d0f03086c9b51200bed605b91a06aac61b694
Manifest4f27ba45070641f91e142d827459e6305900feb488b3f0178f6d9bd42c196acb

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
Signaturer3Xvjlafd5uBAXWS/lbkQLgzBa2PXfBs/LUDFYF1ntgeYQ6oTs56W1iK5ji6eZxsc1yDWeGWGY1JfVpzv7JKCA==
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

2026-09-17T09:55:57.341448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084178
observed 47c40ce5990d07d52a73dff1bc7d0f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.323283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084178/manifest.json
observed 4f27ba45070641f91e142d827459e630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.305864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084178/publication.md
observed 37fd30238989c39dc886e76c6e247485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.286521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084178/publication.txt
observed 074a267b61aaf65bda023e9431013ac6...
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.