OpenTechnical

OT-2026-000100705

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100705) never changes.

Identity and time

Publication numberOT-2026-000100705 · never reused
Internal UUID01a0aea3-66f3-7b83-88e6-8a5d72343915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100705
StatusPUBLIC

Content hashes

Canonical textd8eb35dab9151c4a3816ccf51fd705e1889b2c02ada63a3dded229b37cb94ca2
Markdownf67174804cdbaaece2bd24874f081906517e599bcaacd89617fb2cd04470156f
PDF
Publication page2a0750cbc6acf7aa7280435ee93f76c4f267d794dfbf6d768bfa26f4ad0b3671
Manifestb6a5bf7d15b3b16511fd0446267e44aedd0987b08a4b1f8092480776e4412c26

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
Signature07JBsrJdBGkmEfo0NtPQ/W/zotzCpTxXSt2dty2pK6BarnXNLh3fCvTURMIrh/pxOBrr0M+Cgko1d/M3vXdABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:31.521205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100705
observed 2a0750cbc6acf7aa7280435ee93f76c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.504609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100705/manifest.json
observed b6a5bf7d15b3b16511fd0446267e44ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.487089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100705/publication.md
observed f67174804cdbaaece2bd24874f081906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.469554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100705/publication.txt
observed d8eb35dab9151c4a3816ccf51fd705e1...
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.