OpenTechnical

OT-2026-000019194

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019194) never changes.

Identity and time

Publication numberOT-2026-000019194 · never reused
Internal UUID01a0ae6e-f391-7df4-9ae5-767314c3f615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019194
StatusPUBLIC

Content hashes

Canonical text41a6e1d8745148543c01ecf20934fff9a9ed5ff1ad71071411620f8d4e696ff8
Markdown83a40586b60805823e10d336a395b8ddef294e0cf1bca69157a65db515eaeabf
PDF
Publication page3bbe2fe2d06a7c1e39fd73365c61ce345b6905e6515ff51088067ee25088c4d1
Manifestc1fac7229adc9975305bad136889db1b1f47603097a979c821996baf74c7dd3e

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
Signature0hanY08uU+xBHk9oHX3m/I2oZs36yYIMAbxaEQ6LtHqfryGMBx5T+H7CYKDBwanvYmp640l4CYRSQ2EDEw9+Cw==
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

2026-09-17T11:58:30.845455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019194
observed 3bbe2fe2d06a7c1e39fd73365c61ce34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.828970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019194/manifest.json
observed c1fac7229adc9975305bad136889db1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.810764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019194/publication.md
observed 83a40586b60805823e10d336a395b8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.791864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019194/publication.txt
observed 41a6e1d8745148543c01ecf20934fff9...
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.