OpenTechnical

OT-2026-000099718

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000099718) never changes.

Identity and time

Publication numberOT-2026-000099718 · never reused
Internal UUID01a0aea2-c977-7694-817f-4dbcea3a4751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099718
StatusPUBLIC

Content hashes

Canonical text760779424b73d2de4817d580154235e31eea9475992b43777a74022ecae30b95
Markdown49ac194f1d5eb11c794bb55aa3933afb0e90cb1f2bcd41cd6ce286abaf426ea0
PDF
Publication paged9d7741f1b7f1210c692e54429543e20a0151dc050cf05821d56a042b62779d6
Manifest149e561e8aecacb1581a271905b4e66af89414f1eca7ae0f0c5573792811c7b7

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
Signature9q1PfiCeVFQuSmbjZZYen0adpzlzbXzWV4E8z9cu1IUCpXLLtn3GDSt4Y10V9uwwDJjigQ/SALMttvBNdv+DAg==
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

2026-09-17T09:29:44.177218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099718
observed d9d7741f1b7f1210c692e54429543e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.160473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099718/manifest.json
observed 149e561e8aecacb1581a271905b4e66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.144033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099718/publication.md
observed 49ac194f1d5eb11c794bb55aa3933afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.125881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099718/publication.txt
observed 760779424b73d2de4817d580154235e3...
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.