OpenTechnical

OT-2026-000091214

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091214) never changes.

Identity and time

Publication numberOT-2026-000091214 · never reused
Internal UUID01a0ae9c-f16b-7d43-8679-5c3c5d71968d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091214
StatusPUBLIC

Content hashes

Canonical text91d741c50f8b3abaa945827c939553ae23b20f6f76aee3768aa41997e2f9eefc
Markdown798024f3622488d6f80b558f0381b00bba71697b110da6954d47ba127581449d
PDF
Publication page96721398a40fdc2fbf3a6442edb5d8b2ebb4985febdece8966f968bbb101092b
Manifesteb16338a9526440cffb661dbc19a3baeba8bfd65f9779fbaa58824c8f7eb7eaf

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
SignaturesqHYj0cO4FOWun+KmDlnlestk/e9LRadJLUmppxxJXpPCsCosV8kBtb8pZYpSV2LCZm1zwVFJ+nzN44rPdvWDA==
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

2026-09-17T09:43:22.957699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091214
observed 96721398a40fdc2fbf3a6442edb5d8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.940877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091214/manifest.json
observed eb16338a9526440cffb661dbc19a3bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.922554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091214/publication.md
observed 798024f3622488d6f80b558f0381b00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.904855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091214/publication.txt
observed 91d741c50f8b3abaa945827c939553ae...
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.