OpenTechnical

OT-2026-000090126

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090126) never changes.

Identity and time

Publication numberOT-2026-000090126 · never reused
Internal UUID01a0ae9c-428f-7805-ad6d-c9ae390f46ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090126
StatusPUBLIC

Content hashes

Canonical text3a6ec7377ed1c01555b64bdc275cb0a559088ccc0048a6c49b9b4d7d5f7e1484
Markdown4eaa1caf8901a86dfe2bd9e9c88da12e35c60e06eb3ba83e9492829d1a04da5d
PDF
Publication pagea1bc4b04a5237c3b4f8ab1b8ba2c91bf0722199de7a02e6c9654d94d148b6f8c
Manifestf7fe4203ca5f43834a69f834c05df75511dc9e1e1b0e9ea57f6a64f7cd29dfed

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
Signature2CHPOVq719oz/UUsAnGFYvi1yJKOelkCQHFiREZPvduDdyVw21xevjb/pKXQjlTOdYh9mcB9La3psmhxV4NhBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:33.576079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090126
observed a1bc4b04a5237c3b4f8ab1b8ba2c91bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.558600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090126/manifest.json
observed f7fe4203ca5f43834a69f834c05df755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.541457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090126/publication.md
observed 4eaa1caf8901a86dfe2bd9e9c88da12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.523719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090126/publication.txt
observed 3a6ec7377ed1c01555b64bdc275cb0a5...
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.