OpenTechnical

OT-2026-000068274

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068274) never changes.

Identity and time

Publication numberOT-2026-000068274 · never reused
Internal UUID01a0ae90-247f-706f-864d-5e2e0e8c18a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068274
StatusPUBLIC

Content hashes

Canonical textc12d1e1842df8385b58a03959d6bd58f7fbc7281c5be2e267efdefa3483fab13
Markdown97810c6a3b2e97e7cab03db583b3a635f52472229c1a7ff6b6690de759c80c07
PDF
Publication pagee86851504bd3aa76212b81bd2eb698fd98fcdb80f1d70758b12ed5d3b003b01d
Manifest24bcacd4155fdeb1baf1f82d1a49a87b296b0ed73f85f4ebc32666e6802b1696

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
SignatureXqrO6zmc2vjuekatRNvxIZf+FMIFT9HXBH8DFJ7CHmnw21lP8afd9bbsAduZn/0jQNJ5IMr9TKHHpuFdy4K9DA==
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

2026-09-17T10:29:18.159234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068274
observed e86851504bd3aa76212b81bd2eb698fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.141375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068274/manifest.json
observed 24bcacd4155fdeb1baf1f82d1a49a87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.088014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068274/publication.md
observed 97810c6a3b2e97e7cab03db583b3a635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.033392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068274/publication.txt
observed c12d1e1842df8385b58a03959d6bd58f...
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.