OpenTechnical

OT-2026-000102459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000102459) never changes.

Identity and time

Publication numberOT-2026-000102459 · never reused
Internal UUID01a0aea4-8589-7f5f-b779-e5d45dce794b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102459
StatusPUBLIC

Content hashes

Canonical text8c1affe575da8681def7d494689f1a13fd44044a4623672aa64cc284d8dd0d1f
Markdown1e85a97e64a16d7c5070cda6e6157ab7e3181e4162c73d8c23b9398870b415bb
PDF
Publication page330db7db54469b5b626c6bcbefa054be02b5d769c9fef1437162ff8a0ac6d5fd
Manifeste1b3a1a706a940bbd0ff60af8a0f63a40cff9ac4be50e54e4b2c91edd8883e3e

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
SignatureKyTJKHV9hu6DCFI7EtLYshSOrLbpS8El0HlKaLAt4KdGkHtzpc2xrYjUvR/Xu67HJ/hj+sqgcqoPT4JlJ1W/Bw==
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

2026-09-17T09:23:48.604987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102459
observed 330db7db54469b5b626c6bcbefa054be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.584666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102459/manifest.json
observed e1b3a1a706a940bbd0ff60af8a0f63a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.567802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102459/publication.md
observed 1e85a97e64a16d7c5070cda6e6157ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.550164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102459/publication.txt
observed 8c1affe575da8681def7d494689f1a13...
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.