OpenTechnical

OT-2026-000079758

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000079758) never changes.

Identity and time

Publication numberOT-2026-000079758 · never reused
Internal UUID01a0ae96-4375-72e3-9740-3a813630ed80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079758
StatusPUBLIC

Content hashes

Canonical text56d39e856a8999e4df79f53262797d4e9828d5c9fc5e55542e7dc9d1cde4292b
Markdown0b101f8c99a14911788bea26a3fe5289d6e184130dc45ef08445aacd5d3eb492
PDF
Publication page7156add5610b2e71cfa28e4f64e891d440931ea816d9001a26626cfd0d4c2f3c
Manifestaa0a7c53134c45c44b0ddd251403530a8a04db7c4da1d13e89c33b162a43d002

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
SignatureAON8e8+lrald/lJy7zgWxZpKex5ZDY8c+Okmd9clgVvH6OBUdN9gMp7yd3Ffwel/UspYWz/+1bGZcc6gggT+DA==
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

2026-09-17T10:03:37.637272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079758
observed 7156add5610b2e71cfa28e4f64e891d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.618997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079758/manifest.json
observed aa0a7c53134c45c44b0ddd251403530a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.570424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079758/publication.md
observed 0b101f8c99a14911788bea26a3fe5289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.518350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079758/publication.txt
observed 56d39e856a8999e4df79f53262797d4e...
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.