OpenTechnical

OT-2026-000083057

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000083057) never changes.

Identity and time

Publication numberOT-2026-000083057 · never reused
Internal UUID01a0ae97-c962-7e96-aff9-990c38b645c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083057
StatusPUBLIC

Content hashes

Canonical text2e4cb40767b5baea1acf5b23919b91d577a392e3fbbb420f016ae98a1f8d0f8e
Markdown26998f3192b52fb50739e0e65f48a108f5ce4beccdd40606259197ec3e0592c3
PDF
Publication pagedea1119c787a32632f199396ca8b3c6cae8bd9abf5beaff0237476e754e39584
Manifest5122daaa82f2f0e553d4186804a39e5182fdcfef87ebb375248d613ca2c02e25

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
SignatureuU+JfAfLPfltnV9wsc7Vpui4beeBSUiDbVr1ETANa1kBotJqv+fwd5JGvwEq6nVmrlEFa3saAay7KQXq8khpDQ==
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

2026-09-17T09:00:28.604900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083057
observed dea1119c787a32632f199396ca8b3c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.584483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083057/manifest.json
observed 5122daaa82f2f0e553d4186804a39e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.565948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083057/publication.md
observed 26998f3192b52fb50739e0e65f48a108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.424290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083057/publication.txt
observed 2e4cb40767b5baea1acf5b23919b91d5...
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.