OpenTechnical

OT-2026-000075777

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000075777) never changes.

Identity and time

Publication numberOT-2026-000075777 · never reused
Internal UUID01a0ae94-29fe-7a6b-9779-7350b20e730b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075777
StatusPUBLIC

Content hashes

Canonical text0005a0a174eb42bf2eb041e5aa002c0f68dccb7c865f7fe4051c26aad151450c
Markdown96aa61603bda8a0de508d28fd7e897cefe62b32eb9f88a861a0724cc0798d8ae
PDF
Publication page895118423137f9d385e8e38a98efdbe3416236f6afb14c5305d2ae59276af44e
Manifest4f6a342e1910ec12e87576c31faad6a9e2d521b058a01ccbfc8322d38e9ccbf7

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
SignatureUSKZc7J1m1NlYLHyFjzKsNxWV3xbHsvJjesnbDr7+TrKL0266K/mZ1ZpQIKy8FQ/0BdIeKONJnp8vAg3VkRWDw==
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

2026-09-17T10:14:12.045523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075777
observed 895118423137f9d385e8e38a98efdbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:12.028739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075777/manifest.json
observed 4f6a342e1910ec12e87576c31faad6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:12.010567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075777/publication.md
observed 96aa61603bda8a0de508d28fd7e897ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:11.993158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075777/publication.txt
observed 0005a0a174eb42bf2eb041e5aa002c0f...
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.