OpenTechnical

OT-2026-000081944

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081944) never changes.

Identity and time

Publication numberOT-2026-000081944 · never reused
Internal UUID01a0ae97-0f76-7e3c-9c36-2bee6e021437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081944
StatusPUBLIC

Content hashes

Canonical text577dc93c75c34b3875f2f41c1530c8b0feab3c8aad3f25358338b94206ee2e73
Markdown9b97ef9b54be236f20d5e2cbe5f5b26129b480786c923ece8bec4720348cd534
PDF
Publication page17917753128754d4a8410d26d1ad3e14160ce15073e45c9d3214c97a97c6fb39
Manifest132225da8430ec94f9a2134a86abf39053424ca19d804a89321ae7e4bda1757b

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
Signaturelo7L7QE+TcQ3DfnU54KG3WrI0g2OoalRz0Pxfb96SPhDwjW8PW4PrUCClKZRBxTjYDfHBVB+LqfbPdE64FhyBQ==
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

2026-09-17T10:01:04.677885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081944
observed 17917753128754d4a8410d26d1ad3e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.661992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081944/manifest.json
observed 132225da8430ec94f9a2134a86abf390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.643834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081944/publication.md
observed 9b97ef9b54be236f20d5e2cbe5f5b261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.627709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081944/publication.txt
observed 577dc93c75c34b3875f2f41c1530c8b0...
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.