OpenTechnical

OT-2026-000055881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055881) never changes.

Identity and time

Publication numberOT-2026-000055881 · never reused
Internal UUID01a0ae87-0a49-7005-8abc-512813f68284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055881
StatusPUBLIC

Content hashes

Canonical text94768f933c0fac29b4a511281430e5ea07ae76fe87851028af342c5927fbbfd0
Markdown2c8b99b010438b8365439a54e0972506ace55dd29e3900faba2690e0ab99ebfb
PDF
Publication pageb243b523232680224e0c8e848684d65a5d37987ea125516d546253dc5bb46adc
Manifesta49eb6018b2e7b49a5ff0628077d983341635a61a8265694597d3b73d86354ae

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
Signature7DmEwx9WQmi3dWaisEdaJePlfh0xpzHV5AFIrLAhutKXku8EMFFoOoWXuVy489UjwjiCTliLhy4mDVaTeFl9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:17.063461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055881
observed b243b523232680224e0c8e848684d65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.045585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055881/manifest.json
observed a49eb6018b2e7b49a5ff0628077d9833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.025277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055881/publication.md
observed 2c8b99b010438b8365439a54e0972506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.007514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055881/publication.txt
observed 94768f933c0fac29b4a511281430e5ea...
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.