OpenTechnical

OT-2026-000055761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000055761) never changes.

Identity and time

Publication numberOT-2026-000055761 · never reused
Internal UUID01a0ae87-09cb-7ce6-aa40-0b89fb1f58fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055761
StatusPUBLIC

Content hashes

Canonical text6e24899e599546060bcfb6ca4a1d431680c8e28b265c51259639a0e0e5850db6
Markdown26fce6b5b2d9cd52b4ba4876afd337bd17d1d7665390b0bbd4c88250fb17abbd
PDF
Publication page95fcafe02a3837b98a374826e68815705b84d31eadbc6483f4b3e239ac9da8d9
Manifest546a7cb8e40b16542e64a2729dd2e7e3aa71100e2502c9185874ac6b19d13cda

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/kFeAzd7z1jMuHGa2q2wIQDDJQZIloBgJhkJKXGkkxumAqjQapH6C11eH59+NYRqzUWYus6G3KtIO20kiicEAQ==
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

2026-09-17T10:51:06.406618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055761
observed 95fcafe02a3837b98a374826e6881570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.388537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055761/manifest.json
observed 546a7cb8e40b16542e64a2729dd2e7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.371476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055761/publication.md
observed 26fce6b5b2d9cd52b4ba4876afd337bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.353927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055761/publication.txt
observed 6e24899e599546060bcfb6ca4a1d4316...
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.