OpenTechnical

OT-2026-000057936

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000057936) never changes.

Identity and time

Publication numberOT-2026-000057936 · never reused
Internal UUID01a0ae88-6ed9-77cf-af17-4e971681b376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057936
StatusPUBLIC

Content hashes

Canonical text190cc20e32f7887f8a77da138ab28570a0875743478dfbc47b5c344c76c8b7c2
Markdownb9cb4d6b5c3995a5d39a9f6ca3086047f45567c61f24616a047ae035b27b6a2f
PDF
Publication page0a7d8404e7685780250750a9662c09272e723b9ec43224a808421005a49e8318
Manifestd479e24ab0d8317d4766bcf81f59c9852b5eb87ef362caff67f02399cdb0623e

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
Signaturet+sHWNo8wQ40x5WH0us/q4OvU06XAgyO2aIfFLD/wNLHwswJyWcXGLM46k9ge0nfhsUrva1JhNuUMkGegsIrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:33.215205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057936
observed 0a7d8404e7685780250750a9662c0927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.196592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057936/manifest.json
observed d479e24ab0d8317d4766bcf81f59c985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.177506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057936/publication.md
observed b9cb4d6b5c3995a5d39a9f6ca3086047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.158388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057936/publication.txt
observed 190cc20e32f7887f8a77da138ab28570...
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.