OpenTechnical

OT-2026-000008880

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000008880) never changes.

Identity and time

Publication numberOT-2026-000008880 · never reused
Internal UUID01a0ae6b-31b7-716f-828a-025f51ec7ed6 · 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-2026-000008880
StatusPUBLIC

Content hashes

Canonical text9bf084686cca86903ba6c6581fc6f20903d34023006f9b92e80d072005956900
Markdownb0d7e804d66c43c278d1025ca48bcd79b7f25607318da02e52a66cd1cd2fde5e
PDF
Publication page8f45f08af6ff4413afc9958082ed0cdf081e46ad9b3fa0b81d5c3b4597ed6858
Manifestb673b43869d424262bfad17cfb1b000d5982cf6bfd35b52305e27a6e49ee73f3

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
Signature3NcwsKcmiACG8+4NtqXWLFoG+wRzKsc8nNYEZgSsEDW2N93Nn4aBuUDwIgxIJVRL2OT0kU3gu/9Xon3TRerHDQ==
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

2026-09-17T12:17:28.535379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008880
observed 8f45f08af6ff4413afc9958082ed0cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.518184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008880/manifest.json
observed b673b43869d424262bfad17cfb1b000d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.500740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008880/publication.md
observed b0d7e804d66c43c278d1025ca48bcd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.483393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008880/publication.txt
observed 9bf084686cca86903ba6c6581fc6f209...
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.