OpenTechnical

OT-2026-000073968

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000073968) never changes.

Identity and time

Publication numberOT-2026-000073968 · never reused
Internal UUID01a0ae93-2b8e-719f-9dce-3da747a009ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073968
StatusPUBLIC

Content hashes

Canonical texte38e2a77459462909bdbb5729fe471d47ccd11e310044d5d4c2ece392d76d013
Markdown4991d679dc6a823dcf26e9d2e7cd450c5eff5df2e899634a898e8a63b562cee7
PDF
Publication pageb13246f8cda300660e95035e9dc5eb1923ca77c7042191686071c3cf45e04073
Manifest8226e66c65efc1a308555ce035ec5c7a1f4cd6e77c82b2e5e04d8c894390c59c

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
SignatureaCt2dX/n0oVD00IcFM52PgEBD67+vZZjL5CAfBJ4uzwa2II/KmljqW3xDb6BL/AFEocwCcmu2ro1+CwybzZGDg==
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

2026-09-17T10:20:15.695096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073968
observed b13246f8cda300660e95035e9dc5eb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.674952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073968/manifest.json
observed 8226e66c65efc1a308555ce035ec5c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.654851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073968/publication.md
observed 4991d679dc6a823dcf26e9d2e7cd450c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.635659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073968/publication.txt
observed e38e2a77459462909bdbb5729fe471d4...
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.