OpenTechnical

OT-2026-000085490

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000085490) never changes.

Identity and time

Publication numberOT-2026-000085490 · never reused
Internal UUID01a0ae99-aaab-719b-9850-ad9ecc789647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085490
StatusPUBLIC

Content hashes

Canonical text6815f4393356b3c00ed532389aa0e507543ea13bf6b6948588f6fdc67cb0d5e5
Markdowne2c447fe44a24570bc8138ba02b523d8cdfe926fcafec48c6814b27a076a2f0e
PDF
Publication pagea23654b96c09a5fafc8b2ae4fd3dc6c24d9cd3b0f8c775a7309fb40cb9f88606
Manifestd14459aca4da51bc698defa298988f542f29c0adb32492ad95a77c43af40ef14

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
Signature89c5k6ORZ0KwtI9mU21LRB+8ehEdZFoRk1cg99fK+fYGRQJXs1CF96zhfKISk2N0l7H8uR4+xO1zdwjtd8NmDg==
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

2026-09-17T09:54:17.348966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085490
observed a23654b96c09a5fafc8b2ae4fd3dc6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.331551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085490/manifest.json
observed d14459aca4da51bc698defa298988f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.312947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085490/publication.md
observed e2c447fe44a24570bc8138ba02b523d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.296124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085490/publication.txt
observed 6815f4393356b3c00ed532389aa0e507...
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.