OpenTechnical

OT-2026-000053842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053842) never changes.

Identity and time

Publication numberOT-2026-000053842 · never reused
Internal UUID01a0ae85-735d-7c6c-9a74-fe3f2e82045f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053842
StatusPUBLIC

Content hashes

Canonical textad4ea1652b5bd1db1a36ea12a1d28a05ddf2203aceb1b846261cde25cafd178a
Markdown74b942a2d24660189bbfdeb11618b971a37bad7c9432a6bdee7f72d6cd0c7faa
PDF
Publication page2d3a0d9b0fc9654101d31d2d7a423318eb19c56046f5616c2b92d588fb889c29
Manifest45c32a21d156573316aee03f5d0c6985645d542a0326ab576a6de19a9a135855

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
SignatureVvWFg90EwHnQHPKQl0nr10quoXA0tF1sN3V0UiicdpGk479SdFsSkGUGwJvoYinMr9PS8rw5w/E66HlyvQ0KBw==
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

2026-09-17T08:40:35.541639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053842
observed 2d3a0d9b0fc9654101d31d2d7a423318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.521902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053842/manifest.json
observed 45c32a21d156573316aee03f5d0c6985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.500034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053842/publication.md
observed 74b942a2d24660189bbfdeb11618b971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.479151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053842/publication.txt
observed ad4ea1652b5bd1db1a36ea12a1d28a05...
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.