OpenTechnical

OT-2026-000010927

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000010927) never changes.

Identity and time

Publication numberOT-2026-000010927 · never reused
Internal UUID01a0ae6c-540d-7f50-9469-b9303719ea9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010927
StatusPUBLIC

Content hashes

Canonical textc5798fc9123fcd002ba1a7b898d3cf2a143c549798a7b08ae78ace60c6aa764c
Markdowndf11fe1ad413f4865e27a5dd519a17f6ea04f4f0dd383d24fde47a97fba5d87a
PDF
Publication pagea5a463f298f79414aa54f5f3d21b4d16023ba8aad3a1b56a351a16b8269b85b1
Manifestddd5ae2491781d8b854fdf6cdda7e8ea65014c0170c669301cb73461fd089305

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
SignatureKzUc6nV+CAviejRUH2lvNgcMuHs9IV57uD/EfhlyKNTc35DxLTJjXvkGic6WWPNPE9hcvIOTI5juAwrEVhM8Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:42.717461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010927
observed a5a463f298f79414aa54f5f3d21b4d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.698322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010927/manifest.json
observed ddd5ae2491781d8b854fdf6cdda7e8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.679043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010927/publication.md
observed df11fe1ad413f4865e27a5dd519a17f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.660587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010927/publication.txt
observed c5798fc9123fcd002ba1a7b898d3cf2a...
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.