OpenTechnical

OT-2026-000026704

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000026704) never changes.

Identity and time

Publication numberOT-2026-000026704 · never reused
Internal UUID01a0ae71-f4ab-701a-9579-cae9bc8a7c9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026704
StatusPUBLIC

Content hashes

Canonical text6c129ec627500e572bc7df818f9bec0d9d89baabee55c4e9f39d35df7aff3f3f
Markdownc0deab552d5f17984f5d9069c0ed621c54deeb1fa3383c158c9a25373dd4c90f
PDF
Publication page0c712978b2cf74e24d026fd36da0edeb32410ce4b8e30899c8ea6e7f74bd59f9
Manifest8ae6f3591ea070d30cb828348ecf318419ae3299b7b24bbb80426a7411bf85f3

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
SignatureW0RGJKrjxH/oqah19Yi6unovWnphWMzzcENI0ekvhZNts3ePpmUjL9+963DcfD0HD2sMM7tbuFHBvBNZ14FNAw==
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

2026-09-17T11:45:47.875370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026704
observed 0c712978b2cf74e24d026fd36da0edeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.852526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026704/manifest.json
observed 8ae6f3591ea070d30cb828348ecf3184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.835293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026704/publication.md
observed c0deab552d5f17984f5d9069c0ed621c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.815562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026704/publication.txt
observed 6c129ec627500e572bc7df818f9bec0d...
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.