OpenTechnical

OT-2026-000068051

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068051) never changes.

Identity and time

Publication numberOT-2026-000068051 · never reused
Internal UUID01a0ae8f-c4fe-7b6b-9f3d-14e4ad4feaea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068051
StatusPUBLIC

Content hashes

Canonical text7b2c51d2d8022c9dbac32a18777e351e944fa39e404645f11c1a2483bf1eab08
Markdownfcba4c9a29a6d31f6228bea9bbfe130b9b750ed3c369cd59c4293eb6088c56f2
PDF
Publication page67f38fe85ab58da32b01115a13fc95762d605f00530088435bee0b264f23900e
Manifest62fb4cde51fcfd7886c217f46e321e796579b67743e0a5033881b75d83586770

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
SignaturehT1iu6FOJVWs9F0Min2wNFGeyqCpra98gBOJPL3HVrOfiHnSnKoakC2js/EI9fsdYuYs0fGVmTJ9nSynbx8eCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:37.142097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068051
observed 67f38fe85ab58da32b01115a13fc9576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.123364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068051/manifest.json
observed 62fb4cde51fcfd7886c217f46e321e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.103844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068051/publication.md
observed fcba4c9a29a6d31f6228bea9bbfe130b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.083719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068051/publication.txt
observed 7b2c51d2d8022c9dbac32a18777e351e...
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.