OpenTechnical

OT-2026-000021973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000021973) never changes.

Identity and time

Publication numberOT-2026-000021973 · never reused
Internal UUID01a0ae6f-bb5b-74ce-aa87-42f23e875b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021973
StatusPUBLIC

Content hashes

Canonical texte7a0b49922212b64b8ddbb76eeb2f7a6736ace909e1c13c8f25baeb2725ab319
Markdown0457d44a50ec2aeb42ae304165b65e5f610a2606af471fe9a3ccd88fdfe5b93a
PDF
Publication page471aec166898ff06237ef390dd39cd7aaffa5446b25c8cd480980fa433031854
Manifestaad180530e38e505f62d5af2ae5657677df9d7246c45dea79bc4ec2ed27ffa10

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
Signatureu693fGHLW99ou2ZgDOmO1KwWnI1gJeFd2qcsoUJCJTcsaZZLQPQSgo/wGX7qdxI6Mr+ctWTXcGcWqdV2SpxaDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:38.695095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021973
observed 471aec166898ff06237ef390dd39cd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:38.678606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021973/manifest.json
observed aad180530e38e505f62d5af2ae565767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:38.661971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021973/publication.md
observed 0457d44a50ec2aeb42ae304165b65e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:38.643425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021973/publication.txt
observed e7a0b49922212b64b8ddbb76eeb2f7a6...
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.