OpenTechnical

OT-2026-000071594

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000071594) never changes.

Identity and time

Publication numberOT-2026-000071594 · never reused
Internal UUID01a0ae91-e0ee-7bc3-8489-f10f0d2794f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071594
StatusPUBLIC

Content hashes

Canonical text939273d8bdf1fc983a06e1713ff84f7571691db0ef0bdea461153497ef595067
Markdownc14d18edaf05fc2b13dc13fdfefca874b93e9c62ac49b216b4e72d454e54b61d
PDF
Publication page5c80a41d65cc58e2ca30d185f3bd6a6792becdb66a812ce0c19816c931cf15b1
Manifestc7f5452066445f0133837a3346faff440c4b93ec4a06f9d332905a01624b323b

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
Signature23oCVQR3t0EjLE+etA3fwEYm3uJqcltqTLMvjj5pWUob9Q/Yuc7cQnm+ynhnCg/amDnkG360t52P/R+zNMX/Ag==
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

2026-09-17T10:25:14.556124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071594
observed 5c80a41d65cc58e2ca30d185f3bd6a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.539377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071594/manifest.json
observed c7f5452066445f0133837a3346faff44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.523664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071594/publication.md
observed c14d18edaf05fc2b13dc13fdfefca874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.506923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071594/publication.txt
observed 939273d8bdf1fc983a06e1713ff84f75...
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.