OpenTechnical

OT-2026-000070027

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000070027) never changes.

Identity and time

Publication numberOT-2026-000070027 · never reused
Internal UUID01a0ae91-1861-7bfc-899e-9c2e8a2a201f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070027
StatusPUBLIC

Content hashes

Canonical text65bd42dc835484465f6dd4a3e91af6ddfe2981172db701e1291abf0a7b05837c
Markdown9b98440c6b2dc4fe98d03a35326eb264e4bb72782d9672338d3110deeed0546c
PDF
Publication pagef8924af45ac5d8ff9554e9614cc3f65214179fa8b3b658b0e328386190e098c0
Manifestc21dad0ce565707484d50af01817527221eef00aef90e7fec56503ca61b2d196

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
Signature9WBKW3aLRHrDytmiLAlQ3cKZDtCPjucDmlnNPwuWSxa6wyJl0kaAdTM44zqlO/PJh9RY9yj51KYmp1wlabr+Ag==
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

2026-09-17T10:26:58.836465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070027
observed f8924af45ac5d8ff9554e9614cc3f652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.819880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070027/manifest.json
observed c21dad0ce565707484d50af018175272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.801775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070027/publication.md
observed 9b98440c6b2dc4fe98d03a35326eb264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.782612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070027/publication.txt
observed 65bd42dc835484465f6dd4a3e91af6dd...
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.