OpenTechnical

OT-2026-000074279

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074279) never changes.

Identity and time

Publication numberOT-2026-000074279 · never reused
Internal UUID01a0ae93-7178-7050-bc40-58ddefc16540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074279
StatusPUBLIC

Content hashes

Canonical text9dc6653a882202d1477cb72a41f2883974939680f1565f93104523ac4b32d323
Markdowne61861c469aa52fae6d60dfcc5e31f215d0b0919404328e78abb592724a74458
PDF
Publication pageb470e29c832289b77578b1b8f7fff86fbb51898b52fed05febbabd54f37bb476
Manifest89df48c9ef90f5d074bd9455f6c5f6e9764f3024bc2ca667dfb72b38a1ba57ee

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
Signaturee+TUXDxt8+pYZu1g4Zl/PW3E1P8ZDgyKaRIhb6m16pSwZ04mKxcdrgk+Df8X8nbBochdNhr1KCRCVkhb1lx+Dg==
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

2026-09-17T10:19:11.159266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074279
observed b470e29c832289b77578b1b8f7fff86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.138272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074279/manifest.json
observed 89df48c9ef90f5d074bd9455f6c5f6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.118644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074279/publication.md
observed e61861c469aa52fae6d60dfcc5e31f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.099640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074279/publication.txt
observed 9dc6653a882202d1477cb72a41f28839...
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.