OpenTechnical

OT-2026-000008879

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000008879) never changes.

Identity and time

Publication numberOT-2026-000008879 · never reused
Internal UUID01a0ae6b-31b7-7064-8db9-150b12ae4feb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008879
StatusPUBLIC

Content hashes

Canonical textfa532ea708ebe2e62bc62687c7865ec98ae0c80a64a6a8139b4abfbc365caca7
Markdown774d00fe219bc5e5f05c20a60be5f006cc43ef4c37d2fdf872d36f99c54d2ce3
PDF
Publication pagebead854400ae066b082a4a48ec7671e1b035842228423ee9543837bcadb1b9a4
Manifest49ee228d485a8fa99e3a767ae1ce994d1fd8e594f22d235a1aaa920e046b5335

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
SignatureDLn1lJzgbG0wWWRpu4E1Yi4sftatYK12N/CNvmG520lo0XYc9OauZlGl1+Lr6t85N/45bRpDHFRSH1UEz4CNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:28.465250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008879
observed bead854400ae066b082a4a48ec7671e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.447371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008879/manifest.json
observed 49ee228d485a8fa99e3a767ae1ce994d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.428732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008879/publication.md
observed 774d00fe219bc5e5f05c20a60be5f006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.411179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008879/publication.txt
observed fa532ea708ebe2e62bc62687c7865ec9...
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.