OpenTechnical

OT-2026-000080111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080111) never changes.

Identity and time

Publication numberOT-2026-000080111 · never reused
Internal UUID01a0ae96-4378-769c-9928-d9d22f28e615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080111
StatusPUBLIC

Content hashes

Canonical text3c3926aa4f3cf0e19cad24db270b7dbe20fe96fdd879b0145a9793e4fc0c6e03
Markdown619c1fa678c894b4f95fbcb69d799b8c903afad100b09a876f3b4ed01bd65d46
PDF
Publication page91ed75d2e5c48afd467b1603e3f3db5f601a52ba8b0bbabe3ee243d3a83f687a
Manifest47572a4024a8c7f72dbb5f8315a9592ed043949d442d95664714764237428600

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
Signature8wBsEiojsZxen0qC2lHBKZwIGtp3qGpUCfRe1cddkVGF4rXnBq88t4XbDOYnUiF1M0bxmQ/afiLiRn0ToRQZCQ==
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

2026-09-17T10:04:03.248724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080111
observed 91ed75d2e5c48afd467b1603e3f3db5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.230326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080111/manifest.json
observed 47572a4024a8c7f72dbb5f8315a9592e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.212168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080111/publication.md
observed 619c1fa678c894b4f95fbcb69d799b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.194298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080111/publication.txt
observed 3c3926aa4f3cf0e19cad24db270b7dbe...
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.