OpenTechnical

OT-2026-000071774

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000071774) never changes.

Identity and time

Publication numberOT-2026-000071774 · never reused
Internal UUID01a0ae92-1e91-733e-831d-b12655d115fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071774
StatusPUBLIC

Content hashes

Canonical textd2397c2b6b9eebe7819c91f95475f3c058779dfcc207d273320457c83fb8a9a1
Markdown84c7673e7ff4be4975eeb2ab523fb66943ee28e98eafdd6a1ea91ffa1e4320d5
PDF
Publication page4c59fa41c212c218cbe955544df805c8031f87bb09a0cd9279394921a48d1972
Manifest7d9778a2222952f1c02b3a4cfb8ba7da2285aacf1429f5bf611ec84f19ad8432

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
SignatureLweUjGamFb+5tpa4ALazAg8hBf0dPS82OochIgJdk7Zi8MRBhv8Z78lNtarIci8KCvbNGX8VkFmrIzEPDFB2Aw==
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

2026-09-17T10:23:56.223272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071774
observed 4c59fa41c212c218cbe955544df805c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.203735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071774/manifest.json
observed 7d9778a2222952f1c02b3a4cfb8ba7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.184532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071774/publication.md
observed 84c7673e7ff4be4975eeb2ab523fb669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.165506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071774/publication.txt
observed d2397c2b6b9eebe7819c91f95475f3c0...
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.