OpenTechnical

OT-2026-000069674

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000069674) never changes.

Identity and time

Publication numberOT-2026-000069674 · never reused
Internal UUID01a0ae90-b52c-71ca-91e4-374db5ffd2a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069674
StatusPUBLIC

Content hashes

Canonical text5e71be1eea7366fbf8ce0fa12ad506f204259e4b16de1c8c6b3feb30749f5966
Markdown7f6aff3a0b4931183c51d86e7e5b5390ba6b73b9f363a6d4ed53726bbadb0085
PDF
Publication page773a380956ea4ac32eed15d5305feb50ebc9f7d804da47a3ebdd85a0ad14ceff
Manifesta71d2f66673edf1a51e496610269fe808cb5bfe98c95b304c63c7ec1c9bb03bd

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
Signaturep/XyLTWyS1srHNhmlEWA+PIZQwV+vM5bXrZKIBcY0kUKqKi8dC9RZ0NzwjeIadiuQL7cMN08d3mU5pk/0+8JDQ==
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

2026-09-17T10:28:20.890840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069674
observed 773a380956ea4ac32eed15d5305feb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.871454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069674/manifest.json
observed a71d2f66673edf1a51e496610269fe80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.852502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069674/publication.md
observed 7f6aff3a0b4931183c51d86e7e5b5390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.832120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069674/publication.txt
observed 5e71be1eea7366fbf8ce0fa12ad506f2...
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.