OpenTechnical

OT-2026-000069995

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000069995) never changes.

Identity and time

Publication numberOT-2026-000069995 · never reused
Internal UUID01a0ae91-1861-711d-8721-07b220674881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069995
StatusPUBLIC

Content hashes

Canonical textef6170362da80d1548178298b90a943c129113375d362891d7ce2e3c561f0944
Markdown975fbfa3095860297cd2c27a76b9552baedd6e185fbb0d4a75468773d87730d9
PDF
Publication page13c4d2db33f83e47872e8f7ab97603d6457795e0a8f2af5b9e60a8e38025721f
Manifestc5fd5e6c74ba22b9976ec2aeda61c8e97d5f07a94a7a3605dea09bfa18e3bd1f

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
Signature+MSzMV/FOO+TFQq7AUauO2MAyppOhwjy7jQLJoyG68kiPsWjtgO9HzIW3G8junHNYBG58wLNbyicADzfZxzpAQ==
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

2026-09-17T10:26:56.569044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069995
observed 13c4d2db33f83e47872e8f7ab97603d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.550180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069995/manifest.json
observed c5fd5e6c74ba22b9976ec2aeda61c8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.531037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069995/publication.md
observed 975fbfa3095860297cd2c27a76b9552b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.512033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069995/publication.txt
observed ef6170362da80d1548178298b90a943c...
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.