OpenTechnical

OT-2026-000056636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000056636) never changes.

Identity and time

Publication numberOT-2026-000056636 · never reused
Internal UUID01a0ae87-7af6-7cf4-9713-db10c33c60d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056636
StatusPUBLIC

Content hashes

Canonical text5f03acff596c2b082a1a309fe78c28a73103773c54e920fbae6356a2a1b27fd4
Markdown53882a8258d9e0bfde3eb972013019f4271ae450374e2e49b096ad9203f6610b
PDF
Publication page21459d3d0dd788e4145213d68ec4585efb60fb5a89e7a34a7677bd496ffc17cd
Manifestb411a46063f6b2707302e5f146a9e18e3832d7cf8fa1057855a943d6a0426d8d

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
Signaturer/6Rez+4kBtsCrgDesGXpFD0NSND5RddSirs6mXVIM1rr212GB85MBoJS4XVdpI5aiWrsE4RaKE2fCgNzpCBCg==
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

2026-09-17T10:49:59.737347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056636
observed 21459d3d0dd788e4145213d68ec4585e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.720709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056636/manifest.json
observed b411a46063f6b2707302e5f146a9e18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.702641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056636/publication.md
observed 53882a8258d9e0bfde3eb972013019f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.684119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056636/publication.txt
observed 5f03acff596c2b082a1a309fe78c28a7...
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.