OpenTechnical

OT-2026-000104403

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-2026-000104403) never changes.

Identity and time

Publication numberOT-2026-000104403 · never reused
Internal UUID01a0aea5-3421-723c-9606-fe79a0ea984c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104403
StatusPUBLIC

Content hashes

Canonical text392d0fd4105099bcf4503d51b922ce27f543a57eb687381f3a91630ffbbadc95
Markdown38ce24ed679e0a062dd1eb7a628dda022c79a59895994b0c9d7a3a54de835508
PDF
Publication pagea25a73849f0c4b4674dbae20711374610a775f6063e0f59886c10c530791e871
Manifest42c19955fa6bc779dcaecd82222b86372f0c01ab0e02f5a2adc52a16075a6034

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
SignaturecWKTT2FonpNJyUM9zxONM9/ovG1ILnfmE7MSzS6XyYZiLIrFtCjNVSIvTQ8CunNdiL8ARD14eVLym2kiY3r2DA==
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

2026-09-17T09:21:40.371027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104403
observed a25a73849f0c4b4674dbae2071137461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.353474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104403/manifest.json
observed 42c19955fa6bc779dcaecd82222b8637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.335006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104403/publication.md
observed 38ce24ed679e0a062dd1eb7a628dda02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.319089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104403/publication.txt
observed 392d0fd4105099bcf4503d51b922ce27...
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.