OpenTechnical

OT-2026-000058752

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000058752) never changes.

Identity and time

Publication numberOT-2026-000058752 · never reused
Internal UUID01a0ae89-479c-72f4-8449-49e5acadd8ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058752
StatusPUBLIC

Content hashes

Canonical text38942f196ee0d9b1c018ade6b866a9e3cce4c8b82cc936c26d2696da7c397994
Markdowna37c16593bd144f8e223533144bd4319a641d71e621b120d94a18a67de03d2b0
PDF
Publication page45581eaf0aa682c2baaa7e438568e5c2a9e1b90c7f00e0231383902d359a4c1a
Manifest224aa21bcb35b5d5fff2949e3a2bf05024e8d31175e493ad9b8e1157939c45b3

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
Signaturef1BtaRWI6twjt0uu2MbHhcx4Ef2fvwr8vF6sOgv8HjdHEoaLLcvovO6xVYzaQr5E21jrXvzMuwUuiJFuee1TAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:15.473458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058752
observed 45581eaf0aa682c2baaa7e438568e5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.453917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058752/manifest.json
observed 224aa21bcb35b5d5fff2949e3a2bf050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.434768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058752/publication.md
observed a37c16593bd144f8e223533144bd4319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.417791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058752/publication.txt
observed 38942f196ee0d9b1c018ade6b866a9e3...
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.