OpenTechnical

OT-2026-000056778

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000056778) never changes.

Identity and time

Publication numberOT-2026-000056778 · never reused
Internal UUID01a0ae87-7af7-77fe-b5b5-2dba26bad504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056778
StatusPUBLIC

Content hashes

Canonical textf5ed7584489390b7f0f7f41003192d49b11eac0a24ff03953acc593a364b2c4f
Markdown6eebdaa0b098e032638835b45f2f32241af43dd80d68b5636502497a740b0811
PDF
Publication page1a9c212fc166cb2dcd47fed23d9453993fea6b246c77953e4fe945934b228c21
Manifest1c38ff7673987bc50d874a3f7666d4436b0873a82629cdbfaa9dc0c63e8984b5

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
SignatureZ5bDTzidplW8i7V1ELDUjJsjWVAdUEakkYAd2eMthOBd4lCyCV0ssn2TgTF/TXtIalRXQdV8TtB/4rskAs1/Aw==
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

2026-09-17T10:50:15.231811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056778
observed 1a9c212fc166cb2dcd47fed23d945399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.213300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056778/manifest.json
observed 1c38ff7673987bc50d874a3f7666d443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.194656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056778/publication.md
observed 6eebdaa0b098e032638835b45f2f3224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.174708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056778/publication.txt
observed f5ed7584489390b7f0f7f41003192d49...
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.