OpenTechnical

OT-2026-000036084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000036084) never changes.

Identity and time

Publication numberOT-2026-000036084 · never reused
Internal UUID01a0ae77-01ce-74ba-8cc3-96d6e990b369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036084
StatusPUBLIC

Content hashes

Canonical text2c431a23829ef9013f4df92cd17f94ac1833eb796f3834e2b4f31afbf8847867
Markdown907e73d5aee451ba08766422c69cedbca27bac7296b7c53e401672bbc4217418
PDF
Publication page81cc390ffeadf7ef5cb69b0de18e64d71b95a1e873119414610a8bcc1b19bda6
Manifestfa5bac6aff3ff17a7e45afadb10d26de63f7244140cc1596fff022ff202e599a

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
SignatureY3KeiFZB1SKLjtBMTb52gViHMA8Bkwdef8m1pOMl6yHaYhKUanH92iq90XLaP9eKDFEuAqacI+tAO28C0oFNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:16.432571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036084
observed 81cc390ffeadf7ef5cb69b0de18e64d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.416114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036084/manifest.json
observed fa5bac6aff3ff17a7e45afadb10d26de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.400239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036084/publication.md
observed 907e73d5aee451ba08766422c69cedbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.364537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036084/publication.txt
observed 2c431a23829ef9013f4df92cd17f94ac...
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.