OpenTechnical

OT-2026-000008907

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000008907) never changes.

Identity and time

Publication numberOT-2026-000008907 · never reused
Internal UUID01a0ae6b-31b7-7a8e-ba63-eabb6a292656 · 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-2026-000008907
StatusPUBLIC

Content hashes

Canonical text9d9bc1f2d8e8f346885a7e8f21f96a39dfd938eaff44da118f2666dcab908bd2
Markdown37f4ea82bf80e79322e04fc77b305533180fd1bb1aa6e83afb0aed75376c314c
PDF
Publication page058b7f7f141941c5dd56953d0fba454ff29c07280ad49d3d96fd248253382838
Manifestbdfed2c10fdce595b16e16bb74dbab8f37a642e441e062290563e40d0d2c2edb

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
SignatureSnglPMbhG1l5CLI0YJmC40XQszHqDDxkDLMo9TNXfPlir8vzWYbPGAa39ALiAaK5x8+OG4yRXH0/oEwLlzPgDw==
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

2026-09-17T12:17:30.598159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008907
observed 058b7f7f141941c5dd56953d0fba454f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.580182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008907/manifest.json
observed bdfed2c10fdce595b16e16bb74dbab8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.562060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008907/publication.md
observed 37f4ea82bf80e79322e04fc77b305533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.542077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008907/publication.txt
observed 9d9bc1f2d8e8f346885a7e8f21f96a39...
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.