OpenTechnical

OT-2026-000074456

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074456) never changes.

Identity and time

Publication numberOT-2026-000074456 · never reused
Internal UUID01a0ae93-717a-7d0d-9699-f0b5a8e5d78e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074456
StatusPUBLIC

Content hashes

Canonical text12ef000ee1fa507f305db5c62fd6537c57207d3def05114a7cb590983b0d7ba7
Markdownabffff98fac5171fc0658565fafcf2479d81a5a24cc290a66f3d16154661f684
PDF
Publication page99fbcf4277a6992227191aa28611186298f662b835ed3aa0b33340fb83f085be
Manifestcc45471b6876e69d199ee609f9a170fd9bfcf3f19ed74277a545a9e8c18c1ce2

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
Signature/Sx6fY6qqM3hgxGmcblizAbVL7xPCE7jJYPyQWUc+wb8WU8CDxntqHst1jmm1jeYFUCT+PeGC0PkshGLe6jHDw==
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

2026-09-17T10:19:24.851630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074456
observed 99fbcf4277a6992227191aa286111862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.834478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074456/manifest.json
observed cc45471b6876e69d199ee609f9a170fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.816651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074456/publication.md
observed abffff98fac5171fc0658565fafcf247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.796919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074456/publication.txt
observed 12ef000ee1fa507f305db5c62fd6537c...
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.