OpenTechnical

OT-2026-000041270

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000041270) never changes.

Identity and time

Publication numberOT-2026-000041270 · never reused
Internal UUID01a0ae79-b144-74c1-93f8-6a80da8ae26d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041270
StatusPUBLIC

Content hashes

Canonical texte236e6abd4ed6379985f993a8699d5623b320a55bb2eccea35dec50432e7222d
Markdowna30976e7dc73f37b42035271174d22a532d1e843d05afb186a8a9e1ac97c8c1f
PDF
Publication pagec24272ec0c5f4f9451e301a882686810066722afb6e113435c468c92dcbc3b30
Manifestc6faa3ab6250bb52d34b895e3056723b9bf922df805f9c82cdfcb3316ac68cb7

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
Signatureb4gfUoqfElrvztQSVtxMrhQmxFshy02H7Gpv7SO7S72tRVebbXnui/V7nyX9OWMaXVKVfGHJR0SFW2FBA+B+AA==
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

2026-09-17T11:17:14.701959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041270
observed c24272ec0c5f4f9451e301a882686810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.684824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041270/manifest.json
observed c6faa3ab6250bb52d34b895e3056723b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.666988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041270/publication.md
observed a30976e7dc73f37b42035271174d22a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.650479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041270/publication.txt
observed e236e6abd4ed6379985f993a8699d562...
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.