OpenTechnical

OT-2026-000074647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074647) never changes.

Identity and time

Publication numberOT-2026-000074647 · never reused
Internal UUID01a0ae93-ac2b-782a-8706-9b3a855b41a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074647
StatusPUBLIC

Content hashes

Canonical text938ef98021888fab30be6727d2bef2d8eb50d40cbb650f88cc93d4b835057217
Markdown00b5e33913747f51fc9657db206565b01ff7a1796f6d2379c1261f7c4df37cfb
PDF
Publication page174dea972c18d61bd4012d4e792c12129d51fd951cb3958e1cf6a98c6b499139
Manifest9b969ec820d9420b7f2307ee3a48e695b5dccd7366f1b3c0e1a622d905c4c709

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
SignatureG85ogO0Oay7i/GZUOsESKUbQClDjkEh4Y3vLbWaKJywnp2UxNGYDgsB9NGKepQUIgHWLOU8B1mXG4iL6c3dABQ==
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

2026-09-17T10:18:13.296193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074647
observed 174dea972c18d61bd4012d4e792c1212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.278228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074647/manifest.json
observed 9b969ec820d9420b7f2307ee3a48e695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.260593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074647/publication.md
observed 00b5e33913747f51fc9657db206565b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.241672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074647/publication.txt
observed 938ef98021888fab30be6727d2bef2d8...
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.