OpenTechnical

OT-2026-000057193

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057193) never changes.

Identity and time

Publication numberOT-2026-000057193 · never reused
Internal UUID01a0ae87-d5ba-75bf-b646-9a3efc00150f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057193
StatusPUBLIC

Content hashes

Canonical text75aee212bc0ff52b58076acce53dfef7fb7f10a9ddd579098ec82e7325a7535b
Markdown6ca6d8071df3c35e02ea2317c61a9968a19a900ff7ec523e786b430f212a77df
PDF
Publication page2139891f63313caa948124fdb1989aaa1658c26e6855808bb846aeec8987281d
Manifest9f231f4d8f0766d50c175b8efdfa9000f9a166bfd5990ee90218292e7b8a7c48

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
Signature+WPxD0SqQxYCtynMyuxfhc5xmQ/JBKJQRzcUWgPL9WMdObrv3R77RYANod0TV3aFhUcgcIZLP88C2copJsb8Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:14.219747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193
observed 2139891f63313caa948124fdb1989aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.197716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/manifest.json
observed 9f231f4d8f0766d50c175b8efdfa9000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.177082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/publication.md
observed 6ca6d8071df3c35e02ea2317c61a9968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.155070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/publication.txt
observed 75aee212bc0ff52b58076acce53dfef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.125790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193
observed 2139891f63313caa948124fdb1989aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.108711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/manifest.json
observed 9f231f4d8f0766d50c175b8efdfa9000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.090188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/publication.md
observed 6ca6d8071df3c35e02ea2317c61a9968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.071953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057193/publication.txt
observed 75aee212bc0ff52b58076acce53dfef7...
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.