OpenTechnical

OT-2026-000070213

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070213) never changes.

Identity and time

Publication numberOT-2026-000070213 · never reused
Internal UUID01a0ae91-1862-796f-bbea-96f955505270 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070213
StatusPUBLIC

Content hashes

Canonical text6d095631a00986d04ecebfa1724fa8abf2a9f7f3a2d2a4d75bb0383aca5d0217
Markdown1009671bcc79b347f2a5e21b0b31041fe82c633248b5ca290189535f1200fd9d
PDF
Publication page786b796545294795fb640951762bb51066fd0c4d0a720359458cf69bf37f9f76
Manifest265d659d3b664906f407d18e1791d6b174e86f7665539910962025eea3ee1d5b

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
SignatureE9JeeCCbWybHcMK01uM3nGaeZ5WZTp0J20PgXQrwOVFZtTJeBEPjTIGrx2untakBypxonF3Of/O2xW7NdvjJDw==
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

2026-09-17T10:27:16.140809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070213
observed 786b796545294795fb640951762bb510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.123648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070213/manifest.json
observed 265d659d3b664906f407d18e1791d6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.107546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070213/publication.md
observed 1009671bcc79b347f2a5e21b0b31041f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.089438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070213/publication.txt
observed 6d095631a00986d04ecebfa1724fa8ab...
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.