OpenTechnical

OT-2026-000027704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000027704) never changes.

Identity and time

Publication numberOT-2026-000027704 · never reused
Internal UUID01a0ae72-699a-7a0d-b13e-d9e1a2dace60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027704
StatusPUBLIC

Content hashes

Canonical text72e1e6364b28a97e7e7f87e12191a65d489350fe5483bb1f6e834747818221cb
Markdown0e4ad4e0b74be09833e9576409fecf3d7a0a3abf6a5c17ddad80310dbe7b2e1a
PDF
Publication page5207179faefe1196337c5315fd5f96a4972be7e0e7f4db193db93e34813ce027
Manifest5ecdc2030aaa5178b6f2c9ecb23138747294a1e470cc0801fce0110a8db8030c

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
SignatureY0wAnaCreCY6Hixh4SMQK2Fmu0kJ5odMJIAWrUUCl6yG+sXXuzhBJ6WLC2QO73bFzbSiBfDSYfDgo5192drCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:15.267696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027704
observed 5207179faefe1196337c5315fd5f96a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.248547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027704/manifest.json
observed 5ecdc2030aaa5178b6f2c9ecb2313874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.227482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027704/publication.md
observed 0e4ad4e0b74be09833e9576409fecf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.209965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027704/publication.txt
observed 72e1e6364b28a97e7e7f87e12191a65d...
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.