OpenTechnical

OT-2026-000081205

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000081205) never changes.

Identity and time

Publication numberOT-2026-000081205 · never reused
Internal UUID01a0ae96-f373-73cc-ba6b-bc92042665c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081205
StatusPUBLIC

Content hashes

Canonical text31259c09413321b3683ac12e99c464b550b992c6c203f4c1c7b54da442cb3c47
Markdown4844059cde807401ebe67d80685c6e5c1b64b7b86ee1f6e84558b305936aac16
PDF
Publication page1f1d658f720bce3a2b4d19bfd495b233276b671d080bc2af808c94bc5c147d33
Manifest080f8fbd0b529ad637f1aa0287efd7209048248498e152c1a52c64660d2a692b

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
Signature80wII6xkeu1dc4RW1714oMup36qLDu0+o3lrCpRg4KYM8OYs7Dma5WLRh6uX0j6fd8tiMiKmIrmJ0FVykB7+AA==
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

2026-09-17T10:01:16.778269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081205
observed 1f1d658f720bce3a2b4d19bfd495b233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.760366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081205/manifest.json
observed 080f8fbd0b529ad637f1aa0287efd720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.742521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081205/publication.md
observed 4844059cde807401ebe67d80685c6e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.726630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081205/publication.txt
observed 31259c09413321b3683ac12e99c464b5...
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.