OpenTechnical

OT-2026-000033837

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000033837) never changes.

Identity and time

Publication numberOT-2026-000033837 · never reused
Internal UUID01a0ae75-a391-76ba-a3d6-9fcdb2ebb588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033837
StatusPUBLIC

Content hashes

Canonical text0e572a19d69468fc3d37c398b7c0a74f1126987e3694ffcc15c709fb82966adb
Markdown5559432f417cbcd12313a84995cec587292934cc9823242a60f94ebb8ec105d3
PDF
Publication pagedaca10abdf3e76a0559ab0fa73b86f588d9269e393c620fb875c0448f60b4059
Manifest49bff1d315500def8f21fb1562244cde972df8091e9e1038b099560e058c49ab

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
SignatureXckOHQUixCFw6EUiCAIBBj9Lg2SPl7UrezTC3A70QzbqchURvHjq0hK52S0gvCsTvMImxK+puPOJtMYkExeeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:53.544653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033837
observed daca10abdf3e76a0559ab0fa73b86f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.525995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033837/manifest.json
observed 49bff1d315500def8f21fb1562244cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.506273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033837/publication.md
observed 5559432f417cbcd12313a84995cec587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.486828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033837/publication.txt
observed 0e572a19d69468fc3d37c398b7c0a74f...
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.