OpenTechnical

OT-2026-000046296

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000046296) never changes.

Identity and time

Publication numberOT-2026-000046296 · never reused
Internal UUID01a0ae7e-57cb-7d4a-b18a-96d53fb01344 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046296
StatusPUBLIC

Content hashes

Canonical textab243348f115ee4c33a5ec0e41c9b6c717f0c67f87f568faabd3a73c207ae10f
Markdowna2bc671abe4be198e9237382b611db64c2f4e1ec6af0e74d029ad3c764bac0e3
PDF
Publication page0ed04d6ac6192f53078f505c1620ab89fe35ae7aba21fb23edafb9ac02b75e15
Manifestfc742fd1861d8da12dcfe15a89e22d7b9e2ecb6e1a9015bbc86f47c938edd45e

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
SignaturedP41KO3AioX/hjQAVn6EyoQXD4veTpcbBFrwL5DFp6jo+/R9qZsDjOnCk2GcVL/4Kt6ezwp5XuIb+RfgR2DFCQ==
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

2026-09-17T11:08:15.902287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046296
observed 0ed04d6ac6192f53078f505c1620ab89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.884032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046296/manifest.json
observed fc742fd1861d8da12dcfe15a89e22d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.867074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046296/publication.md
observed a2bc671abe4be198e9237382b611db64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.846683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046296/publication.txt
observed ab243348f115ee4c33a5ec0e41c9b6c7...
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.