OpenTechnical

OT-2026-000077659

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000077659) never changes.

Identity and time

Publication numberOT-2026-000077659 · never reused
Internal UUID01a0ae95-2ecf-7af4-9ab4-162efbfd9a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077659
StatusPUBLIC

Content hashes

Canonical textc0aa18cafeb6c6b32ace102649843e97aede8f89f069a91af537b4f643d77bd4
Markdown5ddaf53e1db111352cca31c602de85e8d16cd5d67c6a179ce40ea73aee829848
PDF
Publication page8716ebcba125c54224ca7576f9ef481bd44364a1f92392e6df51f7ee7643a7c8
Manifest0221fd38ff1c6fb8f39475bb45f9ec75b6c9d30bbc88aa6b1fc28c507c4ed965

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
SignaturefxjFFyER40jVnZ7M6q+rvqbaLjXBrj5Z3H3C9xNmdw00hHiRuig7R8GTqRMsdMP+fyP4iJTAdJ8+rMGj4UhNAg==
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

2026-09-17T10:07:13.746556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077659
observed 8716ebcba125c54224ca7576f9ef481b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.722860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077659/manifest.json
observed 0221fd38ff1c6fb8f39475bb45f9ec75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.700418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077659/publication.md
observed 5ddaf53e1db111352cca31c602de85e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.682349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077659/publication.txt
observed c0aa18cafeb6c6b32ace102649843e97...
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.