OpenTechnical

OT-2026-000087756

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087756) never changes.

Identity and time

Publication numberOT-2026-000087756 · never reused
Internal UUID01a0ae9b-1aa4-7a30-9c40-6d96a8cd14b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087756
StatusPUBLIC

Content hashes

Canonical textdfa19045ecbfebfc11589a17e09e7dbc9e82655178d39de8c9ab979268a4e509
Markdown2716af0572317375f3a975bd1a381b7f0ad0bb866728eedfeb85fad9bcf4d791
PDF
Publication page2c9e28a7d61686265a61f909ab90d274ae511260097db80391c479966f09d799
Manifest8f98e2a7cf44a66c20e0504140edf9f16503baba6cdbe71c36f698bd254b285d

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
SignatureWk822zHS+9PMAWIDa3+L+3HcxuViNJXvFr/IZXzDya5amq83OPcsbI6FOvbsEiv0BjkJiP1ZFnm2USqAVwNgBw==
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

2026-09-17T09:48:56.845349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087756
observed 2c9e28a7d61686265a61f909ab90d274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.826508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087756/manifest.json
observed 8f98e2a7cf44a66c20e0504140edf9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.806758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087756/publication.md
observed 2716af0572317375f3a975bd1a381b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.782040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087756/publication.txt
observed dfa19045ecbfebfc11589a17e09e7dbc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent