OpenTechnical

OT-2026-000100292

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100292) never changes.

Identity and time

Publication numberOT-2026-000100292 · never reused
Internal UUID01a0aea3-3053-76f6-96d2-5d2b02b053f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100292
StatusPUBLIC

Content hashes

Canonical text2f8756f67df3f04178c31f09a09635728af6462310091797b206b4fd533191ac
Markdownc7395945b8103285d649792f12088d5a46c49754ac2e2a48d4e7ce96c004b42f
PDF
Publication pageb1b0e1dcb4d52695e2909dfe6e7bb988d4128d685de23303910fba6e1b8893de
Manifestdb3d199fc6d120df817f7510396b9a06e213611325a9377e050a345be66c6889

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
Signature8aBZ6wan03jqW/HbGAAWfOSz+HYXnZXSzJin92s2lOrCfg8e7oCWJ1z0L4iyY0csn3gyOlgSeEYtkJuX5kqBBg==
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

2026-09-17T09:30:06.411790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292
observed b1b0e1dcb4d52695e2909dfe6e7bb988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.394276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/manifest.json
observed db3d199fc6d120df817f7510396b9a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.376662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/publication.md
observed c7395945b8103285d649792f12088d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.359676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/publication.txt
observed 2f8756f67df3f04178c31f09a0963572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.122136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292
observed b1b0e1dcb4d52695e2909dfe6e7bb988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.102951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/manifest.json
observed db3d199fc6d120df817f7510396b9a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.083357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/publication.md
observed c7395945b8103285d649792f12088d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.063981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100292/publication.txt
observed 2f8756f67df3f04178c31f09a0963572...
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.