OpenTechnical

OT-2026-000077117

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

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-2026-000077117) never changes.

Identity and time

Publication numberOT-2026-000077117 · never reused
Internal UUID01a0ae94-f507-7e1b-bb31-2c3281aacb47 · 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-2026-000077117
StatusPUBLIC

Content hashes

Canonical text9b5fbb80fc921a139c35ebf2b34983597533595ab47036128e09a06f8e891b2f
Markdown16afa66c4ca8bffed5866725a62ccde246ee13862ded965eefbd402a085cd52f
PDF
Publication paged4e9ee9446c3b1713c8f0535816a4338c8c8c1b91824d04868011ea809be47a3
Manifest2e53a565cc7284c2bc0a06cd9949e7ec799aa756b1d5bfef399d2b919fc3dea3

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
Signature5WNm2+3XTsYpZm7anoSB84Vl8K6GfNtobO8yWApK9SV5HRPpY4lJr8XJ2cSi4tNCKoBQ/dQJ/WfJwqkXb7+NCA==
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

2026-09-17T10:11:36.942107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117
observed d4e9ee9446c3b1713c8f0535816a4338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.546917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/manifest.json
observed 2e53a565cc7284c2bc0a06cd9949e7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.529415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/publication.md
observed 16afa66c4ca8bffed5866725a62ccde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.512111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/publication.txt
observed 9b5fbb80fc921a139c35ebf2b3498359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.095569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117
observed d4e9ee9446c3b1713c8f0535816a4338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.077771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/manifest.json
observed 2e53a565cc7284c2bc0a06cd9949e7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.060356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/publication.md
observed 16afa66c4ca8bffed5866725a62ccde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.044409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077117/publication.txt
observed 9b5fbb80fc921a139c35ebf2b3498359...
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.