OpenTechnical

OT-2026-000069454

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000069454) never changes.

Identity and time

Publication numberOT-2026-000069454 · never reused
Internal UUID01a0ae90-b52a-7a89-ba30-4c03564a7601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069454
StatusPUBLIC

Content hashes

Canonical text1cac9b24c29fd9efba9f90429102fbf45075733110a1826949cdd5acaf8e4a24
Markdown05038c6160bd49452eea33e769ec130d4b64aba28605d944c5e58d37838e8f87
PDF
Publication page9bc58fa7bdc190aa2e6f2d36ea2cfd0af676a4afc0985e0ccfcca2394a4d2bc2
Manifest21ec13e79ce6ec5153be52490836d7ed2559998fdfc2d5c7dc6053090dafd96a

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
SignaturePQq8nUSzV9gpVZLy+09kOhVHW/+RbB2IomZzQFyA0sI8BtXOqETWpMYUTDD19ZZuLJO6WMXf3qC6Mcvif91/Bg==
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

2026-09-17T10:30:31.463368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454
observed 9bc58fa7bdc190aa2e6f2d36ea2cfd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.444916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/manifest.json
observed 21ec13e79ce6ec5153be52490836d7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.423583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/publication.md
observed 05038c6160bd49452eea33e769ec130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.403216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/publication.txt
observed 1cac9b24c29fd9efba9f90429102fbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.338876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454
observed 9bc58fa7bdc190aa2e6f2d36ea2cfd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.319619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/manifest.json
observed 21ec13e79ce6ec5153be52490836d7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.302925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/publication.md
observed 05038c6160bd49452eea33e769ec130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.284906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069454/publication.txt
observed 1cac9b24c29fd9efba9f90429102fbf4...
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.