OpenTechnical

OT-2026-000068318

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068318) never changes.

Identity and time

Publication numberOT-2026-000068318 · never reused
Internal UUID01a0ae90-2480-76f7-9e30-f9dcc2d68b53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068318
StatusPUBLIC

Content hashes

Canonical text629707a105c1670f1410f057f5f991424948be936aa85bee861ee6be3f0791b3
Markdownc94316a59e45aac445fd798ce5790dbf17cdecb502924689c00d3dda168e1b21
PDF
Publication page1221b732bf3535565701eac508c929d26813c5c2ae2bd1808fba0c762944aba6
Manifest91215d1e289725834084144e30ca8b727fe7574cb3fc083557501eb6422c4bd7

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
SignatureBIy11xCcw0GUSBtmzKSgFr1DCFeZUQzgkzzVxKIuJ1bLm+qiQ+UT6gkp7y/CVWQ8TKIr/TdvppZWPaHX2JMlAQ==
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

2026-09-17T10:29:21.386863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068318
observed 1221b732bf3535565701eac508c929d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.369722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068318/manifest.json
observed 91215d1e289725834084144e30ca8b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.353217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068318/publication.md
observed c94316a59e45aac445fd798ce5790dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.335290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068318/publication.txt
observed 629707a105c1670f1410f057f5f99142...
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.