OpenTechnical

OT-2026-000104119

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104119) never changes.

Identity and time

Publication numberOT-2026-000104119 · never reused
Internal UUID01a0aea5-341f-755b-af87-2c1f492e8bcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104119
StatusPUBLIC

Content hashes

Canonical text056d13575da136e3bfb653d56cb7532229ba3f59be07744ed72072b50c95bcec
Markdown10dcfde161c4f180df79cb27e2ff62139ce858288b2a49b196dc2a334c3aff0a
PDF
Publication page36a98cd5869ac08329a0d4d96f00af70b4f4b9d1fc25c9b20f99ed3baf7d9f5e
Manifestc7108b7e8c032677e4e8ed7d58a65967aacaec5e0b0d072ffcd589ad34fc09e3

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
SignaturePrjjOLdfV/sLGIsINb3j1Qmsbgek8/4N1QV5U0rB6Zla2cl3dNbr1ytptfYsvjQpUW3VhFmQ6jutMMT6a+YxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:11.812100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104119
observed 36a98cd5869ac08329a0d4d96f00af70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.791227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104119/manifest.json
observed c7108b7e8c032677e4e8ed7d58a65967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.773685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104119/publication.md
observed 10dcfde161c4f180df79cb27e2ff6213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.755392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104119/publication.txt
observed 056d13575da136e3bfb653d56cb75322...
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.