OpenTechnical

OT-2026-000075632

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000075632) never changes.

Identity and time

Publication numberOT-2026-000075632 · never reused
Internal UUID01a0ae94-29fd-7bfb-9653-39c77160ea49 · 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-2026-000075632
StatusPUBLIC

Content hashes

Canonical text5709847e148d15ac47fe356420da3ca44480cfdf677aa047c5aea4dc330cc0b8
Markdownf0dd9949ded8a0ae3cb7ca87b7f144db611ac7a796a4ee5d826c196885575249
PDF
Publication page95888d4a15c7cfdcfbc381bda50846cba5f523fca7ac24eac0b0071b329b68fd
Manifestbb9610940a5568c97816dc9440f86ab85877a82ec23958450f7ae3c58f337e5f

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
Signaturez8qb8ZVP6e3Lnig4xig44bTcxM/huCYkf8YJShZLDk1nNQ4OAZGGZnpScRMs4CBQLUhQc2gU1GewsVGUIwmlCQ==
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

2026-09-17T10:13:28.489870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075632
observed 95888d4a15c7cfdcfbc381bda50846cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:28.018313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075632/manifest.json
observed bb9610940a5568c97816dc9440f86ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:27.513421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075632/publication.md
observed f0dd9949ded8a0ae3cb7ca87b7f144db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.782414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075632/publication.txt
observed 5709847e148d15ac47fe356420da3ca4...
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.