OpenTechnical

OT-2026-000057399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000057399) never changes.

Identity and time

Publication numberOT-2026-000057399 · never reused
Internal UUID01a0ae87-d5be-7bcd-9499-c3b9e0dab3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057399
StatusPUBLIC

Content hashes

Canonical text79ee5982a9610990a9b7d195a7bca1278cd01dbff5e5a0148cbddfbb47afb98e
Markdown267c93cac3aaa5b36c7f7f93197f3a810bb64147e4416270c8b392d5e8dd6cc9
PDF
Publication page40ff86c4bc46e2c49b6cfbc677bda56d7639525e7f93c20a2012e689ca10ca8c
Manifestcaf35a63f04b5c77a374a008f243bb4ac36e5d83e9ab3306ec2dd868d850ae48

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
SignatureFRvCgQJko897IrodbEqwIgYLYHJ52zVM8RCR0OxKYcZF8rIgVm2fIRi59OZR5ZxKzIsb5f6WyMbvUETgqw9oDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:41.128365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057399
observed 40ff86c4bc46e2c49b6cfbc677bda56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.111135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057399/manifest.json
observed caf35a63f04b5c77a374a008f243bb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.093812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057399/publication.md
observed 267c93cac3aaa5b36c7f7f93197f3a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.074931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057399/publication.txt
observed 79ee5982a9610990a9b7d195a7bca127...
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.