OpenTechnical

OT-2026-000053649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000053649) never changes.

Identity and time

Publication numberOT-2026-000053649 · never reused
Internal UUID01a0ae85-0a95-7b02-ab7d-7dbc6c4087d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053649
StatusPUBLIC

Content hashes

Canonical textb7b37dee8954306ca61dc09b236acc9417b354b00fcbbd1f644f4affcbd8a00c
Markdown7a0af65590a2ef793c43e4617a3104e52178da47090cc39d9a6e14db4edd1e53
PDF
Publication page77817bd4f9ad4fbdb50efc3584697d57612a619ccef6ea097d3f56bd19b4c8a8
Manifest6b3b97e12b4f9471bd6e88f15aa008dd68b072e5f7671db3e2cfc310a6b4d2df

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
SignatureC/4zf7myzcgKENZjuanesR8DRM6J80DzHh5l5wQHSOmvw7ptVJAg0u8h2KPNgcXXC3TBrCwozOBPWQhV20OdBQ==
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

2026-09-17T10:55:32.155718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053649
observed 77817bd4f9ad4fbdb50efc3584697d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.137944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053649/manifest.json
observed 6b3b97e12b4f9471bd6e88f15aa008dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.120948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053649/publication.md
observed 7a0af65590a2ef793c43e4617a3104e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.101846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053649/publication.txt
observed b7b37dee8954306ca61dc09b236acc94...
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.