OpenTechnical

OT-2026-000102390

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000102390) never changes.

Identity and time

Publication numberOT-2026-000102390 · never reused
Internal UUID01a0aea4-8589-70d7-98c7-2e5e6a58ef27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102390
StatusPUBLIC

Content hashes

Canonical textc51a49179f24779e7b27dbc8e1acc03dc17476907c7d0650a3bd2280603a3b65
Markdownfd23e756727474d86eee9852c6250a9c7b6abb40dd95ab6543b098c60961bcec
PDF
Publication page8d8c71b00e9ea4595fabe9dcd27c9b90eb39b84db1de87d46e8d48c0abf898a2
Manifest83f0b7c5026d6d8801a97cf313a59e8037dbff5becb3f5f71b2fe4c8ad37d5ac

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
SignatureCG3gTFDETAWTiqjaT4ePHWrNgOU+hqyp3liV3x694ldu0nAZdQUGntrd4/V8FpwdNtATuMtnoJsPXcfFl/j1Cw==
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

2026-09-17T09:23:43.759581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102390
observed 8d8c71b00e9ea4595fabe9dcd27c9b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.740917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102390/manifest.json
observed 83f0b7c5026d6d8801a97cf313a59e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.722894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102390/publication.md
observed fd23e756727474d86eee9852c6250a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.704839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102390/publication.txt
observed c51a49179f24779e7b27dbc8e1acc03d...
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.