OpenTechnical

OT-2026-000077125

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000077125) never changes.

Identity and time

Publication numberOT-2026-000077125 · never reused
Internal UUID01a0ae94-f507-7200-953b-0470d7108014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077125
StatusPUBLIC

Content hashes

Canonical text8a802d10fe8d29720081bc88c781cd727627eb27cdbfc774db0cd811acd4753c
Markdownf14890714da73b1983aee0c6dffcaf1cb31ccb6485b328cb520ea26f08e66d38
PDF
Publication page00be2488dacb89339c17f3cbccf12e3a62f0b1440a91ff05a5cd3fedf7f11eea
Manifest6ffb934ff6253cb892dc21345165217d4f74ac72e68456279be01e11edf77f10

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
SignatureqaPdz+fvKQxF48ha6O4Ne5Rf3pFWQcZ4jNGGXPqQJ6+Wpd50iIINgjxr0QCz0QHtXFLDlyp2vbgUjxsgJ6u0Cg==
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

2026-09-17T10:11:39.219179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125
observed 00be2488dacb89339c17f3cbccf12e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.200029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/manifest.json
observed 6ffb934ff6253cb892dc21345165217d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.806750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/publication.md
observed f14890714da73b1983aee0c6dffcaf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.786888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/publication.txt
observed 8a802d10fe8d29720081bc88c781cd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.803555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125
observed 00be2488dacb89339c17f3cbccf12e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.782498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/manifest.json
observed 6ffb934ff6253cb892dc21345165217d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.761836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/publication.md
observed f14890714da73b1983aee0c6dffcaf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.742189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077125/publication.txt
observed 8a802d10fe8d29720081bc88c781cd72...
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.