OpenTechnical

OT-2026-000069958

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000069958) never changes.

Identity and time

Publication numberOT-2026-000069958 · never reused
Internal UUID01a0ae91-1860-76cd-ab40-0e17d4bf19bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069958
StatusPUBLIC

Content hashes

Canonical text7897d494a8dcf6f8b4c5e645171014de76bcb053a45c3a5d0a97f9c309277ec9
Markdownc58932fa65882537ba3680c5dc9e05aeed8488cf8dd78d9ac49513a2dcf865c3
PDF
Publication page7cdee981405c1fc1e1b7a923ff993cd89e808dd84198ceb9fba5565657ae6854
Manifestc4bc189f4223cb57d81453fc403112b1560944f6a1dca035fcca60cab26e98bf

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
SignatureAHmNDaiMQnipX3gv27h4wgdrZ35T1oy6lQ7FeW5GXYSN7DH2gVv/ZEuQAEYZM/8PNtKzxtogSISj2EDwvctdAg==
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

2026-09-17T10:26:53.929370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069958
observed 7cdee981405c1fc1e1b7a923ff993cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.911270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069958/manifest.json
observed c4bc189f4223cb57d81453fc403112b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.893404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069958/publication.md
observed c58932fa65882537ba3680c5dc9e05ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.875809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069958/publication.txt
observed 7897d494a8dcf6f8b4c5e645171014de...
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.