OpenTechnical

OT-2026-000069678

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented before set-down

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-2026-000069678) never changes.

Identity and time

Publication numberOT-2026-000069678 · never reused
Internal UUID01a0ae90-b52c-7779-971d-57bf4d906cd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069678
StatusPUBLIC

Content hashes

Canonical text6b889af9dfe164f09058e7a69deeecd7835b9229f5facb8ad9d68fcadc89bd9c
Markdowne4b99b47e7f3b64d992af7c6401fc71b6f8b7d06440ae0f126c46b510cfea7f3
PDF
Publication pagec290de17c7d1e310ae410de48f51f7512a0a187d1a9e3ef4676de0612529a94a
Manifesta133b71d2a955dcf64ba25974affde9419c2fd898684cd6a69485d4f86942d25

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
SignatureywUPWiGgmPmlFQGSxLD1wYmWsXIer1oK53XNNeWzibl8neh3bS+peg985inspArMlF/H15KAiTenQgM1K5WZDA==
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

2026-09-17T10:28:21.117261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069678
observed c290de17c7d1e310ae410de48f51f751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.099248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069678/manifest.json
observed a133b71d2a955dcf64ba25974affde94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.079564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069678/publication.md
observed e4b99b47e7f3b64d992af7c6401fc71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.061619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069678/publication.txt
observed 6b889af9dfe164f09058e7a69deeecd7...
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.