OpenTechnical

OT-2026-000068850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000068850) never changes.

Identity and time

Publication numberOT-2026-000068850 · never reused
Internal UUID01a0ae90-6dcc-7338-962a-29a4056ed19d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068850
StatusPUBLIC

Content hashes

Canonical text9f4339334948678b9b00e91966573d5e7cd6dc94f47389de699f00bd9eb0f621
Markdowna77afeaddc22af6421049d74ccef368ef64561048777140989555d60fd709f15
PDF
Publication page58cb7fe2c38a2c3b39418c34de81d1195f5394d100665389b05a6980e6779614
Manifest121ab9035f35f1a24cea21e3b2a52a427a88083c54b80904aafb46c3cbf3ba75

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
SignaturebJjpGlw2Ak8R9Te4D3wZlbmzaiWc/syAwOHsBMI96DItgsKCChUNyGUk6DS7Bkl1C+hH34g9VpcLjHb3PXssDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:39.712558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068850
observed 58cb7fe2c38a2c3b39418c34de81d119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.692996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068850/manifest.json
observed 121ab9035f35f1a24cea21e3b2a52a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.676668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068850/publication.md
observed a77afeaddc22af6421049d74ccef368e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.656471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068850/publication.txt
observed 9f4339334948678b9b00e91966573d5e...
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.