OpenTechnical

OT-2026-000101090

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000101090) never changes.

Identity and time

Publication numberOT-2026-000101090 · never reused
Internal UUID01a0aea3-c378-7d20-ac11-0a9f0240ccdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101090
StatusPUBLIC

Content hashes

Canonical text69c2aea138c09c252c511bca4663646e6443500c154f340d0b7a0321efefef56
Markdownd4887dd929196ce64e4cb8477c56639cc615db0ebc7b1cf8459bb538ea40a516
PDF
Publication page1b37cd9d2450346786ec04fb139a33b72e38c6bd8dd10119d3a54c2f225f5fe1
Manifest0a764c14a82290c96d6468991cd6dbc25170351c78a636bfc50408271a2bd916

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
SignatureyZRRZhF2dL9OOk/uQBvRTvYfnTPWv2RG1Y17UrjN3QzXLXKn7/R2K81+n2MKAuYlYdJ/iKuFcsrS/BD1/pqMDw==
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

2026-09-17T09:26:42.777340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101090
observed 1b37cd9d2450346786ec04fb139a33b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.761003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101090/manifest.json
observed 0a764c14a82290c96d6468991cd6dbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.743041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101090/publication.md
observed d4887dd929196ce64e4cb8477c56639c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.726756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101090/publication.txt
observed 69c2aea138c09c252c511bca4663646e...
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.