OpenTechnical

OT-2026-000101871

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000101871) never changes.

Identity and time

Publication numberOT-2026-000101871 · never reused
Internal UUID01a0aea4-50f0-7cfa-ac0e-5494ad4914a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101871
StatusPUBLIC

Content hashes

Canonical textfdfa6d0f06d498b0281ca3ceb60e84b23b6ad5bd184e9f562358fbbfd473b0dc
Markdown38d86784b13f7f795ac1f812cd1848fb8c249e1394e5be23bd13aeeeb1a551d6
PDF
Publication pagee81cacd1adb2787548e8b47520d6653142e3b9c0973966a36535114390d723ec
Manifestc5f6eb2ae18f92f22e5fa2cdfddb7bcdadcf5232ce5efe434501fc9a12cf67c3

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
SignaturetewpoqMBc7Xz8J2z481rb5bHJyDtw4lA4StvTUENSqrSw6N65V031R5ykwQOQqShjjQJUu/R5xFGIbJaTrnzBw==
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

2026-09-17T09:24:26.250081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101871
observed e81cacd1adb2787548e8b47520d66531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.229756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101871/manifest.json
observed c5f6eb2ae18f92f22e5fa2cdfddb7bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.209216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101871/publication.md
observed 38d86784b13f7f795ac1f812cd1848fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.187502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101871/publication.txt
observed fdfa6d0f06d498b0281ca3ceb60e84b2...
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.