OpenTechnical

OT-2026-000098977

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098977) never changes.

Identity and time

Publication numberOT-2026-000098977 · never reused
Internal UUID01a0aea2-8286-7d71-88d3-16f62d2454e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098977
StatusPUBLIC

Content hashes

Canonical textb260a18b34be9eb592a52956f83176853c2cc1174a834c3c6596e8c17e9ab3fc
Markdownd4aa3a8c25abb11a1db923e6950aaff9bbbeaea55902140342fcfa048fe85a25
PDF
Publication page7307623f49862682e9a9409e6096f0831395c51a01fc02628867a481213b094e
Manifestabfe9fab57b56fe7dd478887abe0f6adc831a6a954daf1b2368c5c8f46c1c5a4

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
Signatureanq4dkvgS0E3nnK4GmqWG9aIfKE1NQsE++v/i5PvREYbI4M0Nm/tSS78QDN81UBTUvlGTc4Ux0Nr8oDhRUb5BA==
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

2026-09-17T09:30:03.441310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098977
observed 7307623f49862682e9a9409e6096f083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.425176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098977/manifest.json
observed abfe9fab57b56fe7dd478887abe0f6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.408139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098977/publication.md
observed d4aa3a8c25abb11a1db923e6950aaff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.391671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098977/publication.txt
observed b260a18b34be9eb592a52956f8317685...
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.