OpenTechnical

OT-2026-000074545

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000074545) never changes.

Identity and time

Publication numberOT-2026-000074545 · never reused
Internal UUID01a0ae93-717b-7d55-8135-573105c7442d · 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-2026-000074545
StatusPUBLIC

Content hashes

Canonical text1d70a10edde5e2c09718b0d731da7f93fd7a137173a1572956e93f94053489d9
Markdownae9a5bf8e14e2d3de407ec2e13d72e07dd60338009a2fd114b9a1c68e7d5e9a6
PDF
Publication page4c077d9309920204a4a67c3902827a217f08cb8d1761ffa87746903274590761
Manifest42bfdfad6ccfe2aa94fb66c7301e53066702bcc43fab9a242bbef2b00f89fa99

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
SignatureeAkjDYYwy+qCWgbw0wt7aHcUk42N2BIS8EODijOwhOLsb2zllVwbyCViEEhVtvemsNHU7KEWlWt2S8Ee7zS1CQ==
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

2026-09-17T10:19:31.752586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074545
observed 4c077d9309920204a4a67c3902827a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.734148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074545/manifest.json
observed 42bfdfad6ccfe2aa94fb66c7301e5306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.715939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074545/publication.md
observed ae9a5bf8e14e2d3de407ec2e13d72e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.696591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074545/publication.txt
observed 1d70a10edde5e2c09718b0d731da7f93...
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.