OpenTechnical

OT-2026-000026539

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed 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-2026-000026539) never changes.

Identity and time

Publication numberOT-2026-000026539 · never reused
Internal UUID01a0ae71-f4a9-7d2a-abaf-bb51c1fd72c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026539
StatusPUBLIC

Content hashes

Canonical text39a0150bd020c03205664c6deb1f24fa2bc2e0c9ca42fff64b9d4acd7385717c
Markdown7dc9f62059399fddfb7953343c8dc560055a29d4b3878aead392ffe50843ab4a
PDF
Publication page12f26f912a1c85e309a39b3f9131e4e3128e03a6f5ea8595ba81dc6d28e4d8f4
Manifestadc4b398738dd0d7fc0da9934688152508d04959efa4fb4dd0688c1fbf1decb9

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
SignatureZEiXA+1FrF/OC8H/pedj2a4O1v0e8TJDsWMDc/z8+anEXla/XG4YjuBL8J/2Y9Rl4HVQ2n/0iag4io61YrN7Ag==
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

2026-09-17T11:44:40.140018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026539
observed 12f26f912a1c85e309a39b3f9131e4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.121659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026539/manifest.json
observed adc4b398738dd0d7fc0da99346881525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.103421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026539/publication.md
observed 7dc9f62059399fddfb7953343c8dc560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.081659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026539/publication.txt
observed 39a0150bd020c03205664c6deb1f24fa...
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.