OpenTechnical

OT-2026-000071391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000071391) never changes.

Identity and time

Publication numberOT-2026-000071391 · never reused
Internal UUID01a0ae91-e0ed-7b39-98f8-7606d34bb1d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071391
StatusPUBLIC

Content hashes

Canonical textd17a5ff2ad85f9f641becdf412b704f6a6b838838d14fa1d3a8895d88a4839cf
Markdown6f99b64d26f4df55e12b5255e498db25b5f9f01f809225b5c0e3e3ad29b5f107
PDF
Publication page4485e1127ec8366be9b29070ae9080bfd559e5cd2951274f6dfc1fa33fb1180c
Manifest57e158664a0991b4c4181cea7fa184dd8dd3635c085d16fb83376522687f640f

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
Signature8tCL9gNZb+ydFh1Q5ELvwyPhdLlpapiVWIS+6gKFI1ZBacyRvoLM5M5sxSYIn1PrFBIZp0y9IDyD5L0QjV8cCA==
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

2026-09-17T10:25:00.978896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071391
observed 4485e1127ec8366be9b29070ae9080bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.961690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071391/manifest.json
observed 57e158664a0991b4c4181cea7fa184dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.943654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071391/publication.md
observed 6f99b64d26f4df55e12b5255e498db25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.926570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071391/publication.txt
observed d17a5ff2ad85f9f641becdf412b704f6...
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.