OpenTechnical

OT-2026-000026776

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000026776) never changes.

Identity and time

Publication numberOT-2026-000026776 · never reused
Internal UUID01a0ae72-3451-7aa3-a77d-ed1dff0a6791 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026776
StatusPUBLIC

Content hashes

Canonical text151f8e1620b6db9f99f6b63eb1dbb8413d25e691a1be748ebfc5093483e37c4e
Markdown42f5869633b458c3a48071bf5dde8674fc777a44c8ec9a62994b41235c0f903d
PDF
Publication page868c48badb0a642ce4a7be6b33f87b641b73350bf7b106489f732379620ca1ed
Manifest240e8babb409e6306baebcebfebbd8bc844bac277e0c775627f9c81752269e27

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
Signature9KYxRiTtk99SrOc0cCbpCW4OTJFKOKUZ6By5cP7HigipyedPj0yu+9hiwx90zIR3+RanOowkXWTCutgcKy5kCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:20.926411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026776
observed 868c48badb0a642ce4a7be6b33f87b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.908642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026776/manifest.json
observed 240e8babb409e6306baebcebfebbd8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.859577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026776/publication.md
observed 42f5869633b458c3a48071bf5dde8674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:20.810837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026776/publication.txt
observed 151f8e1620b6db9f99f6b63eb1dbb841...
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.