OpenTechnical

OT-2026-000069794

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000069794) never changes.

Identity and time

Publication numberOT-2026-000069794 · never reused
Internal UUID01a0ae91-185f-7112-8208-c30c08a2928d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069794
StatusPUBLIC

Content hashes

Canonical textcc60e2b65632a072e2995e8f34ca950577c206c64eefa611da359b981dac4d2f
Markdown10c608517870eb5a22506f3cbad90cc74ff963335a179b4a30d88805af82c470
PDF
Publication pageeefa050ae4b3cd1e06aa3ba84f24e46b00ae805d9093d67330137bbce1f8974c
Manifestd12f04f548c27d7f3222febbc3abbbf2776937ac5ec0590872007dee20367a8f

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
SignaturekDs0zvlQSr5wL2NKkWTkZX1OS1KL9j7L8YGMu5nMV/X9m+psD9+afuNDAeUoWy2P2T3fFuGc2ujhfSuuztalDA==
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

2026-09-17T10:26:30.214203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069794
observed eefa050ae4b3cd1e06aa3ba84f24e46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.194071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069794/manifest.json
observed d12f04f548c27d7f3222febbc3abbbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.173838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069794/publication.md
observed 10c608517870eb5a22506f3cbad90cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.155959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069794/publication.txt
observed cc60e2b65632a072e2995e8f34ca9505...
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.