OpenTechnical

OT-2026-000069144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000069144) never changes.

Identity and time

Publication numberOT-2026-000069144 · never reused
Internal UUID01a0ae90-6dcf-7d88-a388-7b034ba6169d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069144
StatusPUBLIC

Content hashes

Canonical textce4476b2ff4d0510d48b3aca91263d41cf709e788ee0a3601e6c76d92b5f5810
Markdown055b4d1ccaeefb21d6ff8557f7776b51dbd6271dd15f0795aa71d413dc460ad4
PDF
Publication page4d53e63a0bb4882248b0b3d163fe4dd52cd8ed33dc853e4e22a9e5d02a81c66e
Manifestf56d9426682015ab7a58945c22c410da0db649c5b2b828adaf51009b7f40cf37

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
Signature3hRg5jkzwRwRvcokmnGjEzNd9J/Q4Clxf4xHgQ/g5RLVQ0O+WeNYtxmJg70vJqvtPcpzovMttoos6V5Lqr5SDQ==
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

2026-09-17T10:29:01.304379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069144
observed 4d53e63a0bb4882248b0b3d163fe4dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.285840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069144/manifest.json
observed f56d9426682015ab7a58945c22c410da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.257441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069144/publication.md
observed 055b4d1ccaeefb21d6ff8557f7776b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.234518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069144/publication.txt
observed ce4476b2ff4d0510d48b3aca91263d41...
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.