OpenTechnical

OT-2026-000055914

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000055914) never changes.

Identity and time

Publication numberOT-2026-000055914 · never reused
Internal UUID01a0ae87-0a4a-758d-aafc-bb23c9ce3e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055914
StatusPUBLIC

Content hashes

Canonical textc1de05f6980546694d062445b345c5e97d142c31a8ea460169a85b46aee54dbf
Markdown212156e48bfda0245541121fce95738d029649fe628e333fe34db0e2a78052fc
PDF
Publication pagef1115e2392ca4fe0face9cb8fff0da540974aac483e98219ee40037e8cdbb399
Manifestc3faf6e974b6bd8e992eb31b2709c55e73cf002ce3e0aa83e344c66f04999c18

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
Signature3R++YW3jeLp7fzxhueoA8kZEIzeV0wHuZHcDjh/0dptQSiYRP3hwKTFuAARzLaVNclVVtcWaXkYQx2eJqTebDQ==
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

2026-09-17T10:51:25.207070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055914
observed f1115e2392ca4fe0face9cb8fff0da54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.189488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055914/manifest.json
observed c3faf6e974b6bd8e992eb31b2709c55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.171535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055914/publication.md
observed 212156e48bfda0245541121fce95738d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.151865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055914/publication.txt
observed c1de05f6980546694d062445b345c5e9...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent