OpenTechnical

OT-2026-000009511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000009511) never changes.

Identity and time

Publication numberOT-2026-000009511 · never reused
Internal UUID01a0ae6b-7562-748b-bb7c-9f062b4c6a28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009511
StatusPUBLIC

Content hashes

Canonical text176d643e8d16ddd015f6d1f12a519037ed5103da5b0edc5f9769a51ca9b1ac7c
Markdown73f4d18bb9076d1395b0f2e939e85a1ad8bc2274ab5bcfb683dd6f8114c1f683
PDF
Publication page6b6227d998ab5838ca54cfc045b05e6208148868594dd6d4e3c6a154bfec4449
Manifest71576fd729526dd83e7ce6dbb0da53c69879f92c9773f115cec746752e26f6bd

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
SignatureM+DTe3LLYcBVTcbqLsZgEIHeXnnKaKtLkz6U+5XmAT0mJWzbuey8pOZLl/OuviG84Y7zt2SiBkzcWhbGHOYlDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:55.333681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009511
observed 6b6227d998ab5838ca54cfc045b05e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.315842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009511/manifest.json
observed 71576fd729526dd83e7ce6dbb0da53c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.297890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009511/publication.md
observed 73f4d18bb9076d1395b0f2e939e85a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.252484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009511/publication.txt
observed 176d643e8d16ddd015f6d1f12a519037...
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.