OpenTechnical

OT-2026-000074390

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000074390) never changes.

Identity and time

Publication numberOT-2026-000074390 · never reused
Internal UUID01a0ae93-7179-709c-bfd7-be53a0b9406b · 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-2026-000074390
StatusPUBLIC

Content hashes

Canonical textd0e5ef20003e976eefdf9571ece6fa7f6e29ac884bbda6d2a680c0b66cd9f1cc
Markdownab876935dd0fca2f41d06aa6f1ca7842bdd7da586e8ea29fe9a0a2f8df150d99
PDF
Publication page0330e28024ff26d79eeee6c0972bfe82bf16774e9e4538e18c725205ffa44566
Manifestedc71e018d157de1611676eaa731875e4ab40bbd58b713c11d5a83970936527d

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
SignatureWmmhYSar3+i16/bBig4FpLz31lsCm+4ONLikZ7QYH2q6u8XVKvST745bz5Ka57RV4R6VPZFdltaSzqpYcKDlCQ==
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

2026-09-17T10:19:19.569939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074390
observed 0330e28024ff26d79eeee6c0972bfe82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.550174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074390/manifest.json
observed edc71e018d157de1611676eaa731875e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.531612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074390/publication.md
observed ab876935dd0fca2f41d06aa6f1ca7842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.513444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074390/publication.txt
observed d0e5ef20003e976eefdf9571ece6fa7f...
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.