OpenTechnical

OT-2026-000101887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101887) never changes.

Identity and time

Publication numberOT-2026-000101887 · never reused
Internal UUID01a0aea4-50f0-77d4-abb4-36383f96037a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101887
StatusPUBLIC

Content hashes

Canonical text30d84132367e5548e0b0296a9fe357e0e63e7b8e900f74e08c099a73eb459a6e
Markdown86312f934b87192c4decc06a321f00291082c2c95acc1f101d66988231f5a431
PDF
Publication page9b17bbc74af04eb783cafb7e2b0b7fb808509034847ab047cc3a75b52fec37af
Manifest4164947f470ff35cd2a57912931c5e0e36e4c7f1210fd281e7c60dd0cd192f98

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
SignatureFA9tUS7oZEkP8yCSeuRIBy5F/4u3+51VIDnqYuu4P2m5Ka+M6V4CwIS90NKdfWVmeDUutrRoGUtKvWAkdlcdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.627591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101887
observed 9b17bbc74af04eb783cafb7e2b0b7fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.608868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101887/manifest.json
observed 4164947f470ff35cd2a57912931c5e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.590473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101887/publication.md
observed 86312f934b87192c4decc06a321f0029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.571065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101887/publication.txt
observed 30d84132367e5548e0b0296a9fe357e0...
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.