OpenTechnical

OT-2026-000041907

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000041907) never changes.

Identity and time

Publication numberOT-2026-000041907 · never reused
Internal UUID01a0ae79-e8a6-7867-9f88-9759809fa468 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041907
StatusPUBLIC

Content hashes

Canonical textada4f1f34af8b8cdec804330fc36505d3488e27cf724dd5002eb2758e2caebbe
Markdownd9d4d2bfdd332d867480ebbfc80ef98bd600ad146af9aaff43f0f84f7a8f38c8
PDF
Publication paged5b14f12196e3795f0927117312b21c9d50d23ffd693520d74f72dcd67e649c2
Manifest53c498080d1669e1e213ff9a5e1f880599322357bbc4c90a37a17afad4c7092f

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
SignatureTat+yIByhwoNVwT1i8HfKOCkEbD8DPA9Vz962tZQ7GgPPRc4KC7U6a2zKdy4aF2Sf9PIVhO/hLrPydokjshdDQ==
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

2026-09-17T11:16:47.284310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041907
observed d5b14f12196e3795f0927117312b21c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.263364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041907/manifest.json
observed 53c498080d1669e1e213ff9a5e1f8805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.244029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041907/publication.md
observed d9d4d2bfdd332d867480ebbfc80ef98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.225482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041907/publication.txt
observed ada4f1f34af8b8cdec804330fc36505d...
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.