OpenTechnical

OT-2026-000079560

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000079560) never changes.

Identity and time

Publication numberOT-2026-000079560 · never reused
Internal UUID01a0ae96-0b92-7d85-aef9-b4a94a338d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079560
StatusPUBLIC

Content hashes

Canonical textf10e333b3988292d9ad18f97272c27cc7fa5a9335262bbc7ef73101acaa4173c
Markdown1f9db822dc073a4e3763abfcd3137f9ad92ca2745a6e086dd705230b1ead8df5
PDF
Publication page71938c9ed3eb176ad5e5bf150d5596c15168925a424e90fca489abdcb8e83a65
Manifestca6a822d780350e1b9b5295f225771c0c2ac3a5bc076b2fcc07ead3b0c7112f3

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
SignatureqambCeS8kNLzuMSpE/FDKa4toQKOupjAAOfIciXheT3DGhTkpd3ZisndxrRHV4+5kg0CAh7JPoyWQ7QmJh3aBA==
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

2026-09-17T10:05:12.650379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079560
observed 71938c9ed3eb176ad5e5bf150d5596c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.633503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079560/manifest.json
observed ca6a822d780350e1b9b5295f225771c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.615106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079560/publication.md
observed 1f9db822dc073a4e3763abfcd3137f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.597624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079560/publication.txt
observed f10e333b3988292d9ad18f97272c27cc...
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.